Keep your head up, and look around you from time to time.要抬起头，不时看看四周。I'm going to look around and see what I can find.我去四下里转转，看能发现些什么。You'd better look around carefully before making the final decision.在作最后结论之前...
料腿则起着对产生的相当大的背压加压密封作用.Diplegs play an important role as pressure seals against the considerable back pressure generated.说明: 1, 汽轮机型式: B - 背压式汽轮机, C - 抽汽冷凝式汽轮机.Notes: 1. Type of steam turbine: B - Backpressure turbine, C ...
Frank was carrying out fuel-system tests which necessitated turning the booster pumps off.弗兰克在做燃料系统测试，这一测试需要关掉升压泵。A prolonged drought had necessitated the introduction of water rationing.由于持续干旱，用水需要实行配给了。The word " neces...
These young fellows are all in a flurry.他们全都是一些毛毛楞楞的小伙子....a flurry of diplomatic activity aimed at ending the war.旨在结束战争的一系列外交活动In contrast, a recent flurry of bearish reports warn that China's economy could soon i...
Everything impermanent as change is the only constant in nature.凡事变幻无常,唯一不变的自然定律就是“变”!We are reminded just how small and how impermanent we are.它让我们意识到我们有多么渺小，我们的生命是何其短暂。The world is in continuous flux and is impermanent...