Smoking is addictive, and causes cancer, But the point I most want to emphasize is that it damages the health of those around you.
吸烟会上瘾,会引发癌症。但我最想说的是,吸烟同时也有损你的健康。
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,