Planaxidae
平轴螺科
🗣️ 情景例句
You do the same. Well, I'd better go. Thanks again for everything.
你也代我问候一声。好，我得走了，再次谢谢你们的招待。
How many feet are you going to use?
你要用几英尺？
Once we get down to the oil, it usually flows to the surface because great pressure,
一旦到达油层，石油就会由于地下巨大的压力流到地面上来，