当生活很艰难，你想要放弃的时候，请记住，生活充满了起起落落，如果没有低谷，那站在高处也失去了意义。When life gets hard and you want to give up, remember that life is full of ups and downs, and without the downs, the ups would mean nothing.他们将不得不彻底放弃某些研究。They'll hav...
Unfortunately, Grandma always seems to awaken at awkward moments...不幸的是，奶奶好像总是醒来的不是时候。The British never awaken to peril until it is almost too late.英国人从来不懂得防患于未然。awaken sb.’s to a sense of duty唤起某人的责任感Old people awaken e...
研究发现,滑片背部的滑槽背压对滑片的行为有重要的影响.It is discovered that vane slot back pressure has great influence on vane behavior.旋叶式压缩机中的气缸内壁型线直接影响着排气量 、 压力变化规律、滑片的运动等.The cylinder wall profile has direct influence on discharge volume, pre...