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
Good night, Alexandra.
晚安，Alexandra。
His parents anticipate Gary's return home will be soon.
凯利的双亲认为他不久就会回家。
Don't forget to give her some food and change her water, will you?
请不要忘记给她一些食物和换水，你不会忘记吧？