Phosphowolframic acid
[机] 磷钨酸
🧩 词语组成解析
🗣️ 情景例句
I would prefer a non-smoking room.
我想要一间不许吸烟的房间。
I only wear a tie on special occasions.
我只有在特殊场合才带。
The students followed Uncle Wang to see the other machine.
学生们跟着王大叔去看另一部机器。