Diphthalate
[化] 苯二甲酸氢盐(或酯)
🗣️ 情景例句
Well, that would be OK
那倒没有什么关系
He that travels far knows much.
见多识广。
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。