对于大鼠，其社会行为基本包括四处闻味和打闹。

For rats, social behavior essentially consists of sniffing and play fighting.

youdao

英语中，只有三个专门描述气味的词词——恶臭、芳香和霉味儿。 前两者更多是闻味者的主观体验，而非事物本身的气味。

In English, there are only three dedicated smell words—stinky, fragrant, and musty—and the first two are more about the smeller's subjective experience than about the smelly thing itself.

youdao

从前，大象是没有长长的象鼻，他只能用鼻子来闻味和摆动，而不能用它捡起所需要的东西。

Once upon a time, the elephant had no long trunk. He could smell with it, and he could wag it, but he could not use it to pick up things that he needs.

youdao