Lithuresis
[医] 石尿症
🗣️ 情景例句
Here we go.
现在可以开始了。
It is never too late to learn.
什么时候学习都不晚。
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？