Platnum
(=Platnam)普拉特南耐蚀阀座合金, 普拉特纳姆镍铜合金
🗣️ 情景例句
They are constantly quarreling.
他们时常吵架。
I wish you wouldn't go this way.
我希望你不必落得这样的下场。
It's my birthday, and I'm going to have a party. Didn't you know?
我的生日聚会，我计划举办一个聚会。你不知道吗？