Pentahydrate
n. [化]五水合物
🗣️ 情景例句
It's my pleasure.
我很愿意效劳。
What's your favorite food?
你最喜欢的食物是什么？
the most destructive effects have come not from physical weapons but from ideas.
破坏作用最大的不是杀人的武器，而是思想。