正如在1.21中所指出的,在总能量中, 辐射能仅占很少的一部分.As indicated in 1.21, the radiation energy is a very small proportion of the total energy.这种表面不会反射辐射能, 因此呈现黑色.Such a surface would reflect no radiant energy, and hence would appear black i...
Uganda's beautiful highlands are host to a wide range of wildlife.乌干达美丽的高地是众多野生动物的栖息地。It was with some trepidation that I viewed the prospect of cycling across Uganda.我带着些许惶恐考虑了一下骑自行车周游乌干达的可能性。Uganda began wide spre...
Howard wanted to be a popular singer, but stage fright crippled him.霍华德想成为流行歌手，但因怯场而心生畏惧。An untrained horse had taken fright at the sound of gunfire.一匹未经训练的马听到枪响受了惊。You naughty boy, you gave me such a fright.你这调皮鬼，吓了我一跳。...
Consumer durables such as refrigerators, television sets, bicycles and so on were produced in large quantities.冰箱、电视、自行车等耐用消费品被大批量地生产出来。Running at 50 - year lows below trend. Move from durables to services consumption co...