可以实验测定氘的结合能.The binding energy of the deuteron can be found experimentally.更为活跃的是氢的较重同位素, 氘和氚.More reactive are the heavier isotopes of hydrogen, deuterium and tritium.对于单晶,氘化的这种优点并不是必不可少的.This advisability of deuteratio...
Vivid red and pink geraniums cascade over my balcony.鲜艳的红色和粉色的天竺葵从我家的阳台上直挂下去。This is when geraniums and petunias come into their own.这是天竺葵和矮牵牛盛开的时节。The geraniums in the flower bed looked bedraggled from the heavy rain.花坛...
The bed linen is patterned in stylish checks, stripes, diagonals and triangles.床单有漂亮的方格形、条纹、斜纹和三角形图案。Mark five points an equal distance apart along the diagonals.在对角线上等距地标出5点。The diagonals of a ( an ) isosceles [ trapezo...
He smiles and swirls the ice ruminatively around his almost empty glass.他微笑着，一边沉思，一边搅动着几乎空了的杯子里的冰块。Swirls of smoke rose through the trees.树林中升起盘旋的青烟.The storm swirls around a 20 - to 40 - kilometer - wide area.风暴的范围大概在20...
Works dependably , sincere, can withstand the tremendous pressure, has esprit de corps.做事塌实 、 诚恳 、 能承受大的压力, 具有团结精神.Load forecast is the foundation of power system operating dependably and economically.电力系统负荷预报是电力系统安全、经济运...
Such promises, said Apacides sullenly , are the tricks by which man is ever gulled.阿帕奥得斯板着脸说:这种诺言是骗人的诡计.The man gulled the traveler out of every penny he had with him.那人把那游客骗得身无分文.He was gulled into buying rubbish.他被骗买了废...