托福口语集训80题 98

5) pollution. The exhaust¹ and noise caused by the car are harmful to humans’ health. We are seeing less blue sky, breathing less fresh air and drinking less clean water.

1 exhaust   

vt.使衰竭，使筋疲力尽；用尽，耗尽，用完

参考例句：

• The climb will exhaust the boys.爬山会使那些男孩们疲惫不堪的。
• It will exhaust the nation's oil reserves.它会耗尽国家的石油储备。