Pentahydrate
n. [化]五水合物
🗣️ 情景例句
Please sit down, Mr. Mark.
请坐吧，马克先生。
A friend is not so soon gotten as lost.
交友慢，失友快。
Recent developments in astronomy have made it possible to detect planets in our won Milky Way and in other galaxies.
天文学方面最新发展使得我们能够在银河系和其他星系发现行星。