Cars cause pollution, both smog and acid rain.汽车造成的污染既有烟雾也有酸雨。attempts to reduce smog caused by traffic fumes旨在降低车辆尾气造成的烟雾的措施The sky over the city was overspread with a heavy smog.城市上空罩上了一层烟雾....
我在11岁时成了一名业余无线电操作员。I became a ham radio operator at the age of eleven.根据既定目标检验操作员的效率。Check the operator'sproductivity against agreed targets.半熟练机器操作员a semi-skilled machine operator...
He uttered a snorting laugh.他嗤笑了一声。He uttered a snorting laugh...他嗤笑了一声。We see him snorting and mainlining cocaine.我们看见他吸食并注射可卡因。Busy boasts chug and scurry about the river - racy speed boat, stolid, snorting tugs.繁忙的船只在...