Lithiasis
n. 结石病\\n[医] 结石[病]
🗣️ 情景例句
I have a new math program, and I want to learn how to use it.
我有一个新的数学程式 我想学习怎样用。
When is he expected to be back?
他什么时候回来？
a moment later, he ran after me and thrust the pen into my hands.
一会儿，他突然从后追了上来，把笔塞到我手里。