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...
She was no more a crackpot than the rest of us.她和我们一样正常。That's not the way to do it, you crackpot.不是那样做的蠢材.He was prone to dismiss himself as " that well - known crackpot ".他常自嘲为 “ 那个著名的怪人 ”....crackpot schemes.不切实际...