Phosphowolframic acid
[机] 磷钨酸
🧩 词语组成解析
🗣️ 情景例句
May I ask where you are from?
我可以请问你是哪里人吗？
If it doesn't rain tomorrow, we'll have a picnic.
如果明天不下雨，我们就去野餐。
He no sooner recovers his equilibrium than the next porpoise comes along and hits him another crack.
海龟刚恢复平衡，第二只海豚又冲过来猛击一下。