Pid
[化] 光离子化检测器\\n[医] 苯茚二酮
🗣️ 情景例句
but I knew engineering was not for me.
但我知道工程对我不合适。
Who is the author of this novel?
这篇小说的作者是谁？
Good idea! When shall we meet?
好主意！我们什么时候会面？