Dihydrocodeinone
二氢可待因酮
🗣️ 情景例句
And besides,
更何况，
When an opportunity is neglected, it never comes back to you.
机不可失，时不再来。
Good morning, Mr. WU:?Here's my homework. I was ill on Monday, so it's late.
吴先生，早上好！这是我的英语家庭作业。我星期一病了，所以迟交。