Ninhydrine
[化] 茚三酮; 水合茚三酮
🗣️ 情景例句
A friend of a friend is good pals with the lead singer.
我一个朋友的朋友跟那个主唱歌手是朋友。
This stain is really stubborn.
这污垢去不掉。
Yesterday afternoon Frank Hawkins was telling me about his experiences as a young man.
昨天下午弗兰克。霍金斯向我讲述了他年轻时的经历。