Depthon
三氯羚乙基膦酸二甲酯
🗣️ 情景例句
I fell in love with him at first sight.
我对他一见钟情。
Let's go out to the airport. The plane landed ten minutes ago.
让我们去机场。 飞机在10分钟前降落。
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，