Heptanediol
[化] 庚二醇
🗣️ 情景例句
I'd like to set up a doctor's appointment as soon as possible.
我想尽快预约门诊。
A heavy purse makes a light heart.
腰包钱财足，心境自然宽。
Is the production line fully automatic?
生产线是全自动的吗？