Dehydrite
高氯酸镁
🗣️ 情景例句
I understand you used to be in the construction business,
听说你过去从事建筑业
He's absorbed in his book.
他全神贯注地读书。
It's my birthday, and I'm going to have a party. Didn't you know?
我的生日聚会，我计划举办一个聚会。你不知道吗？