Phosphowolframic acid
[机] 磷钨酸
🧩 词语组成解析
🗣️ 情景例句
Pleased to meet you.
很高兴与你见面。
Paul started with surprise when Jim tapped his shoulder.
当吉姆拍了保罗的肩膀时，保罗吓了一跳。
The test finished. We began our holiday.
考试结束了，我们开始放假。