Quadri
[土木]四幅路
🗣️ 情景例句
You drive a hard bargain.
你真会讲价。
Is he coming to dinner?
他回来吃饭吗？
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，