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.I heard, even over the babble of the crowd, a sharp, shocked intake of breath.即便人声鼎沸,我还是听到有人猛地倒抽一口冷气。...
We are constantly being reminded to cut down our fat intake.不断有人提醒我们要减少脂肪的摄入量。Nutritionists say only 33% of our calorie intake should be from fat.营养学家说我们所摄入的卡路里中只应有33％来自脂肪。Add pasta to your salads to bump up your fibre i...