Pentahydrate
n. [化]五水合物
🗣️ 情景例句
I was very sad indeed to hear about it.
听了这件事，我的确非常难过。
I'm sick and tired of your complaints, be quiet.
我已经听厌了你的抱怨，别说了。
I was doing my homework and forgot the time.
我在做家庭作业，忘记了时间。