Polymetallism
多本位制
🗣️ 情景例句
Do you have anyone in mind?
你有意中人了吗？
Provided you can offer favorable quotations and guarantee delivery within four weeks from receipt of order, we will place regular orders with you.
贵方若能报优惠价并保证在收到定单后4周内交货，我方将定期订购。
Is she very unhappy without me?
没有我在她是不是很不愉快？