Wellpoint
降低地下水位的井点
🗣️ 情景例句
and he really wants to go there.
他确实很想去那儿 。
How much is a bus ticket?
公共汽车票要多少钱？
His answer was to lift the vessel out of the water by making it ride on a cushion of air,
他的解决办法是把船体提离水面，让船在一个气垫上行驶，