Mappingdrawing
制图
🗣️ 情景例句
He is an orphan, so he is not sure which family name he should have.
他是个孤儿，因而不知道他自己姓什么。
Everything is going according to schedule.
一切在按照预定计划进行。
Where can I go for help?
我该怎么办呢？