Copters
(copter 的复数) n. 直升飞机
🗣️ 情景例句
You think so?
你想会是这样吗？
This is a poem about frontier life in the United States.
这是关于在美国的边疆生活的一首诗。
and the search for oil has done more to improve deep drilling than any other mining activity.
寻找石油比其他任何采矿业对改进深孔钻探作的贡献都要大。