Santocel
硅酸盐
🗣️ 情景例句
No, thank you.
不用 谢谢你。
I think it's going to be too cold.
我认为天气将会太冷。
Now, this is the chemistry lab. Have you been in this lab before?
好啦，这是化学实验室。你们以前到过这个实验室吗？