Alpha-naphthylacetic acid
[医] α-萘醋酸, α-萘乙酸
🧩 词语组成解析
alpha
['ælfə]
n. 希腊字母的第一个字母;
🗣️ 情景例句
I just called to tell you
我打电话是想告诉你
Which one is more interesting?
哪一个是比较有趣的？
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。