Ethylacetoacetone(eaa,heaa)
[化] 乙基乙酰丙酮
🗣️ 情景例句
There are several tours of the Grand Canyon.
到大峡谷有好几个旅游团。
Can you tell one from the other?
你能区别哪个是哪个吗？
Since its discovery, it has become a sort of potholers' Everest.
自从被发现以后，这个洞成了洞穴探险者的珠穆朗玛峰，