A backpack is a Viking helmet - neither should be a crowed train.背包像维京海盗的头盔一样,不应该带上拥挤的火车.He squirmed out of the straps of his backpack.他扭动身体，挣开背包的肩带。Looking back, she feels she should never have hung up her backpack.回首过去...
In this new book, Harrison brilliantly disentangles complex debates.在这本新作中，哈里森巧妙地理顺了那些纷繁复杂的争论。Debates sharpen one's wits.辩论增长才智.The book is an excellent vignette of some of the major debates in science.这本书清晰而扼要地介绍了科...
镭在离它的原始母体一定距离上固定下来.Radium can be fixed some distance from its original source.我们的祖国是我们大家的母体.Our motherland is the parent body of us all.不产生可育花粉的品种被用作母体.Varieties that do not produce fertile pollen are used as females....
After that, life became a matter of defying school rules.从那以后，生活便成了处处与校规作对。Nearly eleven-thousand people have been arrested for defying the ban on street trading.将近有1.1万人因为违抗禁止在街上摆摊交易的禁令而被捕。Yet Kissinger succeeded in def...