Heptene diacid
[化] 庚烯二酸
🧩 词语组成解析
[化] 庚烯
n. [化]二酸\\na. [化]二价酸的, 二酸的
🗣️ 情景例句
with two or three other college friends.
邀两到三个其他的大学朋友一起。
I gave her my address and she gave me hers.
我把我的地址给她，她也把她的给了我。[九六广州初中会考]
As is so often pointed out, knowledge is a two-edged weapon which can be used equally for good or evil.
正像人们常常指出的，知识是一把双刃刀，可以用于造福，也可以用来为害。