Polymetamorphism
多相变质作用
🗣️ 情景例句
You blew it.
你办黄了。
How much of a volume discount are you prepared to offer?
总折扣你们准备提供多少？
Please sign a copy of our Sales Contract No.156 enclosed here in duplicate and return to us for our file.
请会签第156号销售合同一式两份中的一份，将它寄回我方存档。