Mathfile
[计] 数学文件
🗣️ 情景例句
We'll go over to the job site together.
我们等一会儿一起去工地。
That man is a teacher,isn't he?
那个人是位教员，对不对？
Are you free later today, Mr. Green?
您今天晚些时候有空吗，格林先生？