Phosphotungstate
磷钨酸盐
🗣️ 情景例句
May I ask how Mr. Mrs- is?
-先生（小姐）好吗？
I'm going to buy five pieces.
我要买五片。
No matter what he's wearing, Tod, just show him the cheapest.
托德，别管他的穿着了，给他最便宜的看看就得了。