Maillechort
铜镍锌合金
🗣️ 情景例句
She is unwilling to participate.
她不愿意参加。
I invited him to come in, but he wouldn't.
我请他进来，但是他不肯。
Yes, and full payment is due within 30 days.
是的，如果在30天骨付款就没有折扣。