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...
“卡明斯先生来了，”她把门敞着说道。"Mr Cummings is here," she said, holding the door open.这原本应当能够防止雨水把门的饰边弄翘的。It should have prevented rain water warping the door trim.他怒不可遏地把门猛地一摔，冲出了公寓。He stormed out of the apartment, slamming the door...