Kieselgur
n. [地质] 硅藻土
🗣️ 情景例句
I don't know how to thank you, Susan.
我不知道如何谢你， Susan。
You should be punctual for appointments.
你应该准时赴约。
All right. I will send the information on a piecemeal basis as we acquire it.
好。我们收齐之后会立即寄给你。