Ninhydrin
n. [化](水合)茚三酮
🗣️ 情景例句
Thanks.
谢谢。
I ought to tell him the whole story.
我应该告诉他整个事情的始末。
Although mankind has undergone no general improvement in intelligence or morality, it has made extraordinary progress in the accumulation of knowledge.
虽然人类有智力和道德上没有得到普遍提高，但在知识积累方面却取得了巨大的进步。