Flies buzzed at the animals' swishing tails.
苍蝇在动物甩动的尾巴边嗡嗡叫。
The cats watched each other, their tails twitching.
两只猫晃动着尾巴彼此对视着。
Jaegers are swift black birds with long forked tails.
贼鸥是身手敏捷，长有叉状长尾的黑鸟。
Note how these animals sometimes walk with their tails up in the air.
注意观察这些动物有时如何翘起尾巴走路。
Occasionally dolphins slap the water with their tails or churn it up in play.
海豚偶尔会在戏耍时用它们的尾巴拍打海水或剧烈地翻腾海水。
猴子靠尾巴悬挂起来。
Some animals hang by their tails.
有些动物的尾巴用来悬挂自己。
它有很多尾巴吗？
The cattle were swinging their tails.
牛摆动着尾巴。
猪有短短的尾巴。
Dogs are biting at each other's tails.
狗在互相咬尾巴。
Dogs wag their tails when they are pleased.
狗一高兴就摇尾巴。
Frogs, snails and puppy dogs all have tails.
青蛙，蜗牛和小狗都有尾巴。
They have long noses, big ears, and short tails.
它们有长鼻子，大耳朵和短尾巴。
The dolphins used their tails to swim even faster.
海豚用它们的尾巴游得更快。
The cattle were swinging their tails to disperse the flies.
那些牛甩动着尾巴驱赶苍蝇。
They have their tails in their mouths, and they're all over crumbs.
它们把尾巴放在嘴里，身上全是面包屑。
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。
Their high, narrow tails with swept-back tips are almost perfectly adapted to provide propulsion with the least possible effort.
它们又长又细的尾巴配合后掠式的襟翼，完美地适用于最省力的方式提供推动力。
Anchoring themselves to blades of grass or fingers of coral with their tails, seahorses spend their time feeding on zooplankton.
海马常用尾巴将自己固定在水草或珊瑚枝上，以过往的浮游动物为食。
Dogs, for example, will wag their tails, get down their front legs, and stick their behinds in the air to indicate "what follows is just for play".
例如，狗会摇尾巴，放下前腿，把屁股翘在空中，表示“以下的动作只是为了好玩”。
She would show me flowers that look like cats claws, birds beaks, lions ears, doves feet, elks lips, and lizard tails growing right up out of the ground!
她指给我看的花朵有些长得像猫爪、像鸟嘴、像狮子耳朵、像鸽子脚、像麋鹿的嘴唇，还有些像从地里长出来的蜥蜴的尾巴！
These species also differ morphologically: grass dwellers are slender with long tails, tree-dwellers are stocky with long legs, twig dwellers are slender but stubby-legged.
这些物种在形态上也有所不同：呆在草上的动物体型纤细，尾巴很长；呆在树上的动物体格健壮，腿长；而呆在树枝的动物体型纤细，但腿短。
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。
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