Hydrazone
n. [化]腙
🗣️ 情景例句
Sign here, where I've indicated.
签在这里，在我指的地方。
Comfort is better than pride.
安慰胜过傲慢。
and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian role.
我们只要看一看蝙蝠回声定位这一极不寻常的发现，就可以探究一下声音在什么情况下有绝对的实用价值。