Proplatinum
(pl. -na)[冶]镍银铋合金
🗣️ 情景例句
Oh, congratulations! That's nice.
啊， 恭喜你们！ 太好了。
You cannot have two forenoons in the same day.
一日之中不可能有两个上午。
Yes, it was. But it's much colder today.
是的，昨天冷。但是今天更冷。