Echinenone
海胆酮, β-胡萝卜素-4-酮
🗣️ 情景例句
But some things are personal or private, and questions about them are not polite.
但是有些事是私人的，问这些方面的问题是不礼貌的。
Elbow grease gives the best polish.
只要功夫深，铁杵磨成针。
Could you ask him to ring me, please? My number is 181 584 9662.
麻烦你请他给我打个电话来，我的号码是181 584 9662。