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相关词典网站：Dark respiration in the light and in darkness of three marine macroalgal species grown under ambient and elevated CO_2 concentrations
---《海洋学报》英文版2011年01期
ZOU Dinghui1,2&, GAO Kunshan3, XIA Jianrong4
　　1 College of Environmental Science and Engineering, South China University of Technology,Guangzhou 510006, China　　
　　2 The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters,Ministry of Education, Guangzhou 510006, China　　
　　3 State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361005, China　　
　　4 College of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China&
　　Abstract
　　Dark respiration (non-photorespiratory mitochondrial respiration), which occurs both in the light and in darkness, is vital for growth and survival of algae and plays a critical role in modulating the carbon balance of them. In the present study, we have investigated dark respiration in the light(RL) and in darkness (RD) in three marine macroalgal species, Hizikia fusiformis (phaeophyta),Gracilaria lemaneiformis (Rhodophyta) and Ulva lactuca (Chlorophyta), cultured at 20&C using aeration with two CO2 conditions: current ambient (CO2 concentration about 380 &l/L) and elevated CO2 (approximately 720 &l/L) air. RL was estimated by using the Kok method, whereas RD was determined as the rate of O2 influx at zero light. The results showed that both RL and RD were unchanged for the elevated CO2-grown algae relative to ambient CO2 concentration for all the algal species tested. However, RL was significantly lower than RD across all the algal species and growth CO2 treatments, demonstrating that daytime respiration was partly depressed by the light.The percentage of inhibition of respiration by light was similar between ambient and elevated CO2-grown algae. The ratio of respiration to photosynthesis, which tended to decrease when estimated using RL instead of RD, was not altered for the elevated relative to ambient CO2 concentration.The results suggest that RL, rather than RD, is a more accurate estimate of nonphotorespiratory carbon loss in marine macroalgae during the daytime. It would not be anticipated that elevated atmospheric CO2 would exert a substantial influence on respiratory flux either in the light or in darkness in these particular marine macroalgal species.
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【友情链接】音节划分：hall?way
低频词，记不记随你啦！
['h?:lwe?]
走廊，过道；
大家都在背：
1. There were low, muffled voices rising from the hallway.
从走廊里隐约传来了低沉的说话声。
来自柯林斯例句
2. I looked down the hallway to room number nine.
我顺着走廊看了一眼9号房。
来自柯林斯例句
3. She climbed the steps and proceeded along the upstairs hallway.
她爬上楼梯，顺着楼上的走廊走去。
来自柯林斯例句
4. He bundled the old lady into her hallway and brutally attacked her.
他将老妇人推到她家走廊上，并对她一顿暴打。
来自柯林斯例句
5. I found his jacket, which was hanging up in the hallway.
我找到了他那件夹克衫，就在门厅里挂着。
来自柯林斯例句
（大楼里的）走廊，过道 A hallway in a building is a long passage with doors into rooms on both sides of it.&
（房子或公寓的）门厅 A hallway in a house or flat is the area just inside the front door, into which some of the other rooms open.&
【语域标签】：BRIT 英
in AM, use 美国英语用 entrance hall
1. 走廊;过道;门厅
Narrow corridors lead off from the main hallway.
狭长的通道从主廊延展开来。
The room connects with the dining hall by means of a hallway.
这房间通过一条过道与餐厅相连。
1. an interior passage or corridor o
"the elevators were at the end of the hall"
七年级英语单词表 ... rule 规则 hallway 走廊;过道 classroom 教室.
- 基于1724个网页
门字的解释---在线新华字典 ... 门帖〖 coupletonthedoor〗 门厅〖hallway;entrancehall〗 门庭〖 gateandcourtyard〗.
- 基于998个网页
七年级英语单词表 ... rule 规则 hallway 走廊;过道 classroom 教室.
- 基于501个网页
穿字的解释---在线新华字典 ... 穿梭〖 shuttlebackandforth〗 穿堂〖 hallway〗 穿堂风〖 draught〗.
- 基于350个网页
1. 狭窄的走廊
passing along a narrow hallway , Brown finally came to a small rectangular room a pyramid-shaped ceiling .向前经过一个狭窄的走廊，布朗最后到达一个有金字塔形的天花板的小的矩形房间。
- 基于5个网页
1. 中间走廊
this middle hallway with its ramp works as access for all spaces , allows an easy way of exchanging big pieces of art between storage and showrooms and works theas a picture gallery .这中间走廊的坡道工程的所有空间，可以轻松地交换大型艺术作品之间的储存和展示和工程的同时，图片画廊。
- 基于5个网页
1. 黑暗的大厅
And wander dark hallways alone and tormented., 徘徊在黑暗的大厅 , 孤独 , 痛苦.
- 基于6个网页
1. 走廊外面
They ' re here in the hallway outside , you know ? They abound ., 他们就在这走廊外面 , 你知道吗 ? 他们有很多.
- 基于9个网页
0){var rand = parseInt(Math.random() * (000)+100000);top.location.href='/'+encodeURIComponent(document.getElementById('s').value.trim().replace( / /g, '_'))+'?renovate='+}else{top.location.href='/'+encodeURIComponent(document.getElementById('s').value.trim().replace( / /g, '_'));};}" action="/">
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方便的话，请您留下一种联系方式，便于问题的解决：dark l的发音发dark L的时候舌尖放在哪里 舌头不要放下和不能往后卷怎么应用 望发音高手解答不懂什么叫dark L的不要来混分 谢谢_百度作业帮
dark l的发音发dark L的时候舌尖放在哪里 舌头不要放下和不能往后卷怎么应用 望发音高手解答不懂什么叫dark L的不要来混分 谢谢
dark l的发音发dark L的时候舌尖放在哪里 舌头不要放下和不能往后卷怎么应用 望发音高手解答不懂什么叫dark L的不要来混分 谢谢
是不是这个?有一段视频,不知是不是英语中舌侧音只有一个：[l] .这个音是我们中国人的一大难点.在英语中,[l] 的发音分为两种：清晰的 [l] （ clear l ）和模糊的 [l] （ dark l ）.清晰的 [l] 出现在元音之前,例如单词 let ,light ,lamp ,模糊的 [l] 出现在元音之后,一般在词的末尾或辅音之前,例如单词 bill ,milk ,still .舌侧音 [l] 发音要决 ：在发清晰的 [l] 时,舌尖抵住上齿龈根部,舌前向硬腭抬起,形成气流阻碍,气流从舌的两侧通过,所以叫做舌侧音.此时 [l] 是浊辅音,要振动声带.这个音与汉语的“乐”有一点相似,只是汉语的发音带有元音音素且更清晰.我在新东方的听说速成班上经常会画一副舌位图来展示给大家其在口腔的具体舌位.我们再来看模糊的 [l] ,这个音通常中国学生会用汉语的“尔”代替,比如人名“ Bill ”我们就发成了“比尔”.所以在发音的时候千万不能图省事,随随便便用一个汉语词代替.发音时,舌尖抵住上齿龈根部,舌面下凹,舌后部微微上抬,气流在舌面形成的凹形中产生共鸣,发音响亮.注意这个时候舌尖不能动,只要一离开上齿龈根部这个位置,就变成了清晰的 [l] ,试试看是不是这样的?模糊的 [l] 由于发音响亮,由共鸣气流产生,所以我们又称它为“成音节辅音”.比如在模糊的 [l] 前加上一个辅音形成音节,[tl] ,[dl] ,[kl] ,等等.特别提醒 ：由于我国一些地方的方言,[l] 和前鼻音 [n] 混淆不清,导致在英语中有些人也分不清这两个音.只要记住一点,[l] 是舌侧音,也就是说,气流总归从口腔中泄出,而 [n] 是鼻腔音,气流是从鼻腔中泄出的,所以感冒鼻塞的人发 [l] 没有问题,而发 [n] 就十分困难.有的时候在同一个单词中会有两个 l ,比如 million,dollar,其实它们中前一个是模糊的 [l] ,后一个是清晰的 [l] ,发音时一定要注意,前一个模糊的 [l] 常会对之前的元音产生影响,听音的时候要注意分辨.单词训练 ：light （灯光） lip （嘴唇） lane （小巷） lie （撒谎） alive （活着的） lodging （住处） local （本地的） peel （削皮） wheel （车轮） fail （失败） tail （尾巴） call （打电话） loyal （忠诚的） filing （馅） milk （牛奶） feeling （感觉） little （小的,少的） battle （战役） fickle （感情易变的） middle （中间的） riddle （谜语） 2 重要句型 ：Love me,love my dog.爱屋及乌.Like father,like son.有其父必有其子.All’s well that ends well.结局好一切都好.It’s no use crying over spilt milk.覆水难收,悔亦无益.It is never too late to learn.活到老,学到老.（学习从不嫌晚.） Bill will pay the bill for the meal.比尔会为这顿饭付账.All of us like yellow balloons.我们所有人都喜欢黄色的气球.We shall not go on because our gas is low.我们不能再继续走了,因为我们快没有汽油了.字母组合 ：“l-” as in the word “love”:like,lick,look,lap,luck,lipstick,etc.“-l” as in the word “full”:fill,fell,mill,pill,pool,bull,meal,ball,wall,etc.“-l-” as in the word “walk”:talk,filling,feeling,dealing,help,told,daily,etc.
The only way to know how to pronounce this letter...U need to check ur dictionary and increase the volume. 英音美音没有区别there is a lot of differences.