Forevacuum
[化] 前级真空
🗣️ 情景例句
How much paint, how many hours of work ...
多少油漆， 多少小时的工作量……
Do you want to change before the banquet?
宴会前你想换衣服吗？
Last week Mrs.Mills went to London.
上星期米尔斯夫人去了伦敦。