Ninhydrin
n. [化](水合)茚三酮
🗣️ 情景例句
I don't know how to solve the problem. Will you help me out?
我不知道该怎么解决这个问题。你能帮我吗？
I asked him to play with me, but he wouldn't.
我请他和我玩，但是他不肯。
When he was driving along Catford Street recently,
最近，当他正开车在凯特福德街上行驶时，