Hall's disease
[医] 哈夫病(波罗的海一海湾渔民由于摄入工业废水中砷化氢所致的病)
🧩 词语组成解析
🗣️ 情景例句
But what can I do?
但我能帮什么忙？
Everything has its time and that time must be watched.
任何事情都有好的时机，不要随意放过。
She has been to school.
她上学去了。