Enol
n. [化]烯醇
🗣️ 情景例句
The old library building on Chestnut Street,
Chestnut街老图书馆，
Who undertakes many things at once, seldom does anything well.
许多事情同时干，一件事也办不成。
It is no use starting late in life to say:
年老的时候说