Ethanal acid
[医] 乙醛酸
🧩 词语组成解析
乙醛
🗣️ 情景例句
It's fantastic!
太棒了！
Please show me a more expensive one.
请给我看一件比较贵的衣服。
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。