Reserpic acid
[化] 利血平酸
🧩 词语组成解析
🗣️ 情景例句
How many are there in your family?
你们家几口人？
When am I supposed to check in?
我应该在什么时候到机场办理手续呢？
'I've been coming up here night after night for weeks now.
“好几个星期了，我天天夜里到钟楼上来。