1.No, turbulence is just the equalization of diurnal temperature variations in the atmosphere.

不，气流只是大气之中昼夜温度的变化而已。

2.Ring-tailed Lemurs are actually diurnal, or daytime animals.

环尾狐猴实际上是昼行动物。

3.The extinct owl belongs to clade Surniini which contains most living diurnal owl species.

已经灭绝的猫头鹰属于猫头鹰群 Surniini，它包含了大多数着的昼行猫头鹰物种。

4.The specimen is close to the northern hawk owl, a medium-sized owl of the northern latitudes, non-migratory and diurnal.

标本接近北鹰鸮，北纬中等体型猫头鹰，非洄游性，白天动。

5.Paleoanthropologists found the newly identified diurnal owl lived around 6 million years ago in the late Miocene period.

古人类学家种新的昼夜猫头鹰生在大约 600 万年前的中新世晚。

6.It likes distinct diurnal rhythms, so differentials between day and night.

它喜欢不同的昼夜节律，因此白天和黑夜之间存在差异。机翻

7.Their interest is not so much in diurnal or daily variation.

他们的兴趣不在于昼夜或日常变化。机翻

8.I know you can be nocturnal or you can be diurnal.

我知道你可以是夜间动的，也可以是白天动的。机翻

9.Our interest is not so much in that diurnal or daily variation.

我们的兴趣并不在于那种昼夜变化或日常变化。机翻

10.We're interested in diurnal, that is daily, variation.

我们感兴趣的是昼夜变化，也就是每天的变化。机翻

11.We're interested in diurnal, I mean daily, variation.

我们对昼夜变化感兴趣，我的意思是每天变化。机翻

12.Listen again for what diurnal means.

再听一遍昼夜的意思。机翻

13.For decades, scientists believed dinosaurs were diurnal and the tiny mammals were nocturnal.

几十年来，科学家们一直认为恐龙是昼夜动的，而小型哺乳动物是夜间动的。机翻

14.He's diurnal, the attacks occurred during the day So the vehicle may be related to his work, possibly a company car or truck.

他白天作案 几次袭击都是白天生的所以他的车可能跟他的工作有关 可能是公车或者卡车。

15.Science could prolong the night, but only for a little, and those high hopes of neutralizing the earth's diurnal revolution had passed, together with hopes that were possibly higher.

科学能够延长夜晚，不过只能延长一点点，那些想要抵消地球的每日转动的太高的希望，已经同那些可能还要更高的希望一起逝去了。

16." The light-dark cycle would be that primary cue, and that's what's kind of surprising that an animal can be nocturnal under some conditions and diurnal in the other."

“光暗周将是主要线索，动物在某些条件下可能是夜行性的，而在另一种条件下可能成为昼行性的，有点令人惊讶。”

17.According to the researchers I'd interviewed, the process of withdrawal had actually begun overnight, while I was sleeping, during the " trough" in the graph of caffeine's diurnal effects.

据我采访过的研究人员说，戒瘾的过程其实是从晚上开始的，我处于睡眠状态，位于咖啡因昼夜效应图表的“低谷”。

18.Even the eyes of mammals that were diurnal—active only during the day—had certain characteristics of nocturnal eyes, like those of creatures who are active at night.

即使是昼夜动的哺乳动物的眼睛——只在白天动——也具有夜间动的眼睛的某些特征，就像在夜间动的生物的眼睛一样。机翻

19.Even if researchers can't say if either Repenomamus was nocturnal or diurnal, they still don't fit the picture of meek mammals hiding away from the hungry dinos.

即使研究人员不能确定 Repenomamus 是夜间动还是昼夜动，它们仍然不符合温顺的哺乳动物躲避饥饿的恐龙的画面。机翻

20.One 2012 study analyzed the eye shape of 266 species of mammals and found little difference in the eyes regardless of whether the animals were nocturnal or diurnal.

2012 年的一项研究分析了 266 种哺乳动物的眼睛形状，无论些动物是夜间动还是白天动，它们的眼睛几乎没有差异。机翻