Ethyl vanillin
[医] 乙基香草醛, 乙基香子兰醛
🧩 词语组成解析
[化] 乙基\\n[医] 乙基
n. [化]香草醛,香兰素
🗣️ 情景例句
Hi!
嗨！
A cracked bell can never sound well (is never sound).
破钟无好音。
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。