Valeranone
纈草烷酮
??? 情景例句
If you want to make the intelligent choice, Trust me on this.
如果你想作出明知的抉擇，那就相信我吧。
Pigs may fly,but they are very unlikely birds.
豬兒縱會飛，終究不是鳥。
Take it easy.
別緊張。