Factories, power stations, and rehicles exhausts[1] pump harmful gases into the air, contributing to global warming, causing acid rain[2], and destroying the ozone layer.
工厂、火力发电站和车辆将有害废气排放到空气中，是造成全球气候变暖，出现酸雨，破坏臭氧层的罪魁祸首。
2
The pump sensation you feel in the forearms is largely the result of accumulated lactic acid and restricted blood flow.
你的前臂所感受到的充血状态很大程度上是由于乳酸的堆积以及血液流通不畅造成的。
3
The air drying and final absorption towers are installed in series as an integral and share a circulation acid tank and pump with intermediate absorption tower.