Backpa
[机] 背板
🗣️ 情景例句
Big jobs--factories, shopping malls.
大的工程 ，工厂 ，大型购物中心。
It's been a bad day.
今天糟透了。
Large groups of Native Americans were forced to move away form their old hunting grounds.
成批成批的美洲土著人被迫从他们原来的狩猎场迁走。