Heptane diacid
[化] 庚二酸
🧩 词语组成解析
n. [化]庚烷
n. [化]二酸\\na. [化]二价酸的, 二酸的
🗣️ 情景例句
Give my best to your parents.
替我向你父母问好。
It is a silly fish, that is caught twice with the same bait.
蠢人才吃两次亏。
Since the sea covers the greater part of the earth's surface,
既然海洋覆盖着地球的大部分表面，