A rat could get into spaces we couldn't get to, and a rat would get out if it wasn't safe.

老鼠可以进入我们无法进入的空间，如果不安全，老鼠会逃出来。

youdao

A rat? Yes, a rat. Right next to you.

老鼠？对，一只老鼠，就在你身旁。

youdao

Mr. Rat, Mr. Rat, I'm near the river.

老鼠先生，老鼠先生，我在河边。

youdao

They look almost like a cross between a rat and a porcupine.

VOA: special.2010.12.28

This is a normal weight laboratory rat given much more than it would-- could necessarily eat of standard laboratory food.

这是一只体重正常的实验鼠,如果我们给它标准的实验室饲料,即使食物分量超出了它的食量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But precisely, the human part of you is going to rebel at the unending parade of simple rat-like pleasures.

更确切地，你的人性会反抗,一股股永无止尽的单调的老鼠般的快感。

耶鲁公开课 - 死亡课程节选

You want to be a swimming rat rather than a dry rat drowning in a sinking ship.

FORBES: Magazine Article

There was also a feedback system, denying the encoder rat an extra reward if the decoder rat did not press the correct lever.

BBC: One rat brain 'talks' to another using electronic link

Leading "Team Rat" is Anthony Martin, a 58-year-old white-bearded zoologist, whom some have called "the Pied Piper" for his role in the rat cull.

WSJ: This British Assault on an Island Off Argentina Is for the Birds