We think meteors that crashed into the moon or tails of passing comets may have introduced water molecules.
我们认为，撞击月球的流星或经过的彗星尾巴可能会留下一些水分子。
The birds are hard to observe, as they live in a region of mountainous forest, so the researchers have attached tiny cameras to the tails of some birds, as one method of investigating their behaviour.
这些鸟很难观察，因为它们生活在山区森林里，所以研究人员在一些鸟的尾巴上安装了微型摄像机，以此作为一种研究它们行为的方法。
The number of tourists tails off in October.
十月份游客人数越来越少。
They accused him of riding on the coat-tails of the president.
他们指责他借了总统的光。
I can't make heads or tails of your email.
我一点也搞不懂你的那封电子邮件。
Deeply forked or notched, as the tails of certain birds.
（特别是指蝴蝶和鸟）有像燕子一样的分叉的尾巴。
Hanging on to the tails of youth isn't on my mind at all.
我一点也不想抓住青春的尾巴。
The wings and tails of the drone can be easily dissembled for transportation.
无人机的机翼和尾部能容易地为运输被拆卸。
These are the tails of the distribution, this is the right tail and this is the left tail.
这里是这个分布的尾部，这是右尾，这是左尾。
These are the tails of the distribution; this is the right tail and this is the left tail.
这就是尾分布，这是右尾，这是左尾。
But one bit of information keeps turning up, and she can't make heads or tails of it.
但是有一个小信息一直出现，她实在搞不懂为什么。
He remembered those clear nights and the moon bright on the silver tails of the foxes.
他记起那些天晴的夜晚，以及照在狐狸银色尾巴上的明亮的月亮。
I can't make heads or tails of your email. Were you having problems with your computer?
我一点也搞不懂你的那封电子邮件。是不是你的电脑出问题了？
Next, the scientists put tiny cuffs on the tails of the mice and measured their blood pressure.
接着，科学家们使用袖珍袖带绑在老鼠的尾巴上并测量他们的血压。
Itsspire is formed from the entwined tails of three dragons. Theyrepresent Denmark, Sweden and Norway.
塔尖由三只龙尾缠绕而成，分别代表丹麦、瑞典和挪威。
This radiation pressure is thought to shape the tails of comets and is useful for pushing solar sails in space.
这种辐射压力被认为是彗尾形成的原因。 另外，它也是太阳帆在太空中前进的动力来源。
Trust me, the thought process does alter over time. Hanging on to the tails of youth isn't on my mind at all.
相信我，人的想法会随著时间而转变的，我一点也不想抓住青春的尾巴。
The method of manufacturing glass ceramics with tails of phosphate mineral as a major material was described.
介绍了以磷矿尾砂为主要原料制备微晶玻璃的方法。
Two spectacular tails of X-ray emission have been seen trailing behind a galaxy using the Chandra X-ray Observatory.
通过ChandraX射线观测台，我们观测到一个星系拖曳着两个由X射线射流组成的壮丽的大尾巴。
"I'm not surprised," said Valerie Muggli, who runs Tails of gold, a golden retriever breeding operation near Clearwater.
“一点儿都不奇怪，”瓦莱丽·马格利说。她在克利尔·沃特附近经营一家名为金尾的金毛猎犬繁育中心。
Then he looked to the horizon and saw a swarm of small objects descending, trailing tails of smoke from behind, and he knew.
他马上向天际望去，看到大群的小物体正在降落，尾部冒着烟划出一道尾迹。
No such frustration for United with Ferguson happy with a victory that keeps his side on the coat-tails of runaway leaders City.
不过曼联和弗格森心情不错，这场胜利让他们紧紧咬住领头羊的尾巴。
Several times we shipped a little water, and my breeches and the tails of my coat were all soaking wet before we had gone a hundred yards.
有几次，我们的船里还进了点水，还没等划出一百码远，我的裤子和外套的下摆就全湿透了。
If visitors were neophytes, she would show them the stiff tails of the fantail pigeons and inform them. "I starch the stiff the tails myself."
如果是新来的访客，她会给他们看扇尾鸽的硬尾巴，还告诉他们：“我自己给这个尾巴上浆定型的。”
The canted tails of the F-15SE allow for two additional weapons stations on the F-15SE's wings as compared with previous versions of the fighter.
F - 15se倾斜的尾翼使之和以前版本的F - 15相比，能在机翼增加额外两个武器挂架。
A strong positive test response was observed producing comet tails of a length and DNA content not observed in either viable or dead control cells.
观测到一个强测试反响，产生一个一定长度的彗星尾。在有生机的或者死亡的控制细胞都没有观测到DNA内容。
A strong positive test response was observed producing comet tails of a length and DNA content not observed in either viable or dead control cells.
观测到一个强测试反响，产生一个一定长度的彗星尾。在有生机的或者死亡的控制细胞都没有观测到DNA内容。
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