Pulvic acid
[化] 普耳文酸; 枕酸
🧩 词语组成解析
🗣️ 情景例句
How did you feel about being away
对出外工作作何感觉
How long will it take you to have it fixed?
你要多少天才能把它修理好？
It is now being sent to his home by train.
现在正用火车给他运回家来。