飞机快到机场时，本来有故障的左引擎突然熄火，引发了灾难。The faulty left-hand engine failed catastrophically as the aircraft approached the airport.机修工立即找到了出故障的地方。The mechanic located the fault immediately.飞行员正在试图排除飞机故障的时候，飞机坠毁了。Pilots were trying t...
In the distance I could hear the chug of farm machinery.离老远，我都能听到农机具的突突声。Busy boasts chug and scurry about the river - racy speed boat, stolid, snorting tugs.繁忙的船只在河上鸣叫着来来往往 - --高速快艇和笨头笨脑喘着气的拖驳.Chug Chug Chug , Toot Toot...