Calculation specification
[计] 计算说明书
🧩 词语组成解析
🗣️ 情景例句
Do you mind if I smoke?
我抽烟你介意吗？
The tour will take about an hour and a half. We ought to be back here by 3:00.
参观大概要一个半小时，3点钟以前回到这里。
Lucy ran home at once. Her mother saw her when she arrived.
露西马上跑回家。到家时母亲看见了她。