Well we need to put by £200 for the pump valves to be renewed.我们需要存下200英镑以备更换水泵阀。The heart has valves to let blood flow in and out of it.心脏有瓣膜控制血液流进流出.The engineering gang fell earnestly to work on jammed valves.轮机组都起劲地埋...
Some high - performance engines have two separate camshafts, one for each set of inlet and exhaust valves.一些高性能发动机有两个单独的凸轮轴, 分别负责开关进气门和排气门.The latter may be used with bypass or throttling valves in the tower water pipewo...
Andy's face paled with disappointment; perhaps with anger as well.安迪的脸色由于失望而变得苍白，也许还掺杂着气愤。Andy turned round, marched over to Chris and just laid him out.安迪转过身，大步走向克里斯，一拳把他击倒在地。Rioch knows the big clubs have been sni...
He suspects there's a conspiracy to cover up the crime.他怀疑有人密谋掩盖犯罪事实。His behaviour is an attempt to cover up his insecurities.他的行为是想掩饰自己的不自信。The police investigation was a joke. A total cover-up.警方的调查简直荒唐可笑，完全是在掩盖真相...