Hydrosilicate
含水硅酸盐
🗣️ 情景例句
lots of things to do.
许多事情要做。
He's not in. May I take a message for him?
他不在，我能替他捎个口信吗？
We enjoyed driving along the new expressway.
我们喜欢沿着新建的高速公路开车。