Power shortages mean frequent blackouts.能源短缺意味着经常性的停电.Cascading trips caused by flow transferring are the crucial reason of a lot of well - known blackouts.潮流转移引起的连锁跳闸是导致世界各国大停电事件发生的重要因素,严重地威胁着电力系统的安全运行.Anti - chain over...
若干研究已经发现了两个重要常量。Two significant constants have been found in a number of research studies.其值不变的量称为常量.A quantity whose value remains unchanged is called a constant.在无外力时,质心的速度是常量.The velocity of the center of mass is cons...
He should have been studying instead of goofing around last night.他昨晚应该念书,不应该混.Why don't you just admit you're goofing off?偷了懒就偷了赖,还不爽爽快快承认?When the secretaries are goofing off , you know the place has dry rot....
欧洲的一种野豌豆,其花呈紫色,茎干细小; 用作篱障.European purple - flowered with slender stems; occurs as a weed in hedges.欧洲的一种野豌豆,通常被用来制草料和覆盖作物.European vetch much cultivated as forage and cover crops.欧洲的多年生有毒、野豌豆.European perennial toxic ve...
It has increased the contradictions between the two superpowers.这加剧了两个超级大国之间的矛盾.His speech contained many contradictions.他的话矛盾百出.The contradictions are sharpening.矛盾正在加剧....
I bought a new cigarette lighter and it broke; now I'm ￡10 out of pocket.我买了新打火机,可是它坏了, 这下白花了十英镑....a cigarette holder.烟嘴He threw the cigarette down and ground it under his heel.他把烟卷丢到地上, 用脚踩灭。Banning toy cigarette ...
而且, 这一目标或许要早于防止污染.Indeed, this strand may well predate the anti - pollution effort.在世界上大部分地区, 以重量表示价值的金属作为货币使用早于硬币.Metal, valued by weight, preceded coins in many parts of the world.测色学的基本概念早于1853年由格腊斯曼加以阐述.The basic con...
红细胞大致呈圆盘状。Red blood cells are roughly the shape of a disk.星形盘状的也会在接近华氏5度下形成.Plates and stars again form near 5 degrees Fahrenheit.在古代人们认为地球呈扁平的圆盘状.In ancient times the earth was conceived as a flat disc....