Biladiene
二次甲基胆色素
🗣️ 情景例句
I happen to have
我这儿碰巧有一项
He comes bothering me day after day.
他每天都跑来打扰我。
We have agreed on all terms in the contract. Shall we sign it next week?
我们对合同各项条款全无异议，下周签合同如何？