Ninhydrin
n. [化](水合)茚三酮
🗣️ 情景例句
Hello.
您好。
He would direct the workman to use his plans.
他为了执行自己的计划，给员工下了指示。
If you are lucky enough to get a sleeper, you spend half the night staring at the small blue light in the ceiling, or fumbling to find you ticket for inspection.
即使你走运弄到一个卧铺，夜间有一半时间你会盯着车顶那盏小蓝灯而睡不着觉；要不然就为查票摸索你的车票。