Metatungstic acid
[化] 偏钨酸
🧩 词语组成解析
🗣️ 情景例句
Do you come here for the sports game or sightseeing?
您来这儿是参加运动会，还是观光的？
Excuse me? I didn't hear what you said.
对不起，我没有听清你说的话。
How long have you been at this school?
你到这学校有多么时间了？