Abaculus
镶嵌用的小石[玻璃]砖, 嵌块
🗣️ 情景例句
We've got a forty-minute drive into the city.
我们还要开四十分钟的车到城里去。
I want to make a long distance call.
我想要打一个长途电话。
How long has Jim been at his school?
吉姆到校有多长时间了？