Petrostroma
石质海绵属
🗣️ 情景例句
If we hire you, how long will you stay with us?
你打算给我们工作多久？
Last year I studied sociology and political science in school.
去年，我在学校攻读了社会学和政治学课程。
In five working days, if we ship by air.
如果空运的话，五个工作天内可以到。