Tetrabrominated
四溴化的
🗣️ 情景例句
The college I applied to has accepted me.
我报名的学院已经录取我了。
Let's leave the matter open.
这件事先上、悬着吧。
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。