发动机气门的二种型式是:进气口和排气口.The two types of engine valves are intake and exhaust.同时,外面空气由进气口吸入代替被排出的空气.At the same time air is sucked into the inlet to replace the exhausted air.两侧进气口的水平烤架并纳入令人印象深刻的雾灯.Both side inlets have hori...
城市的一整片贫民区被炸为了平地。An entire poor section of town was bombed into oblivion.这种暴力行为正标示了我们市中心贫民区的状况。The violence is emblematic of what is happening in our inner cities.在贫民区长大的穷孩子a poor kid growing up in the ghetto...