Monohydrallite
铝土矿
🗣️ 情景例句
What can I do?
那我能做点什么呢？
My Biochem lectures are in the morning, and the labs are in the afternoon.
生物化学的课安排在上午，实验在下午。
Have they ever been there before?
他们以前去过那儿吗？