Fenchone
葑酮, 1, 3, 3-三甲基-1, 4-桥亚甲基-2-环己酮
🗣️ 情景例句
Here.
这里 。
A plant may produce new flowers; man is young but once.
花有重开日，人无再少年。
but it was impossible to stop the thieves.
但他已无法抓住那些窃贼了。