那儿的竞争异常残酷。It is very much dog eat dog out there.这些残酷的刑具是用来阻止犯人弯腿的。These cruel devices are designed to stop prisoners bending their legs.他们幸福地生活在不受残酷现实干扰的世界里。They lived in happy insulation from brutal facts....
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...