Paraethoxyacetophenone
对乙氧基苯乙酮
🗣️ 情景例句
if, and I repeat,
只要， 我重复一遍，
An old dog barks not in vain.
老犬不空吠。
I have always regarded the country as something you look at through a train window, or something you occasional visit during the weekend.
总认为乡村是透过火车车窗看到的那个样了，或偶尔周末去游玩一下景象。