If the engine backfires , the sudden pressure in the intake manifold forces the valve back.如果发动机回火, 进气歧管骤增的压力就迫使阀门向后移动.Also , this is why changing menus dynamically sometimes backfires.这就是为什么动态地改变菜单有时候事与愿违.My old car bac...
He polished off a large steak, salad, broccoli swimming in thick sauce, and half a litre of wine.他狼吞虎咽地吃下了一大块牛排、很多色拉和浸着浓稠酱汁的花耶菜，还喝了半升红酒。This tax would raise petrol prices by about 3.5p per litre.这项税收会使每升汽油价格提高约3.5便士。Bari...