Mathematical treatment
[计] 数学处理
🧩 词语组成解析
🗣️ 情景例句
and wait until you're ready to go back to work.
而且会等你准备好了才回去工作。
How did you do it?
你是怎样达成它的？
She finished it at half past nine. She went to bed before a quarter to ten.
30 她完成了作业。她9：45之前上床睡觉。