Einstein's theory ofspecial relativityunified energy, matter and the speed of light in a famous equation: E = mc^2. The equation describes the relationship between mass and energy — small amounts of mass (m) contain, or are made up of, an inherently enormous amount of energy (E). (Th...
The United States is well-known for its 【B1】 of major higher highways designed to help a 【B2】 get from one place to another in the shortest possible time. 【B3】 these wide modem roads are generally 【B4...
Those were wild asses maybe, or zebras flying around in herds. 那些也许是野驴或斑马在成群地奔跑。 41 brutal adj.残忍的,野蛮的,不讲理的 参考例句: She has to face the brutal reality.她不得不去面对冷酷的现实。 They're brutal people behind their civilised veneer.他们表面上温文有礼,骨子...