Rdb
[计] 关系数据库
🗣️ 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？
He who wants a mule without fault,must walk on foot.
指望驴子无缺点，只有自己徒步行。
They can't pick up the small pieces with their fingers.
他们用手指拿不起小零件。