Prerefining
预先精炼
🗣️ 情景例句
I've never been to the aquarium
我从来没有去过水族馆
You play the piano beautifully.How much do you practice every day?
你完美地弹钢琴,你每天花多少时间练习？
He had been there for nearly ten hours.
他已经在烟囱里被困了将近10个小时。