at length的近义词有：at last, at length, eventually, finally, in the end, lastly。下面这些词或词组均含有"最后，终于"的含义：at last ：多指经主观努力，克服各种困难后才终于达到目的。at length ：强调经历一段长时间后终于完成，侧重在时间部分。eventually ：侧重于动作或行为的结果。finally ：常与at last换用，都可用于对往事的描述，但...
木炭和金刚石都是炭的同素异形物Charcoal and diamond are allotropes of carbon.炭的含量是百分之四.Its carbon content is 4 %.苯酚的催化氧化和炭的催化氧化可能遵循不同的反应历程.Phenol oxidation and catalyst - sorbent ignition may proceed bt different reaction mechanisms....
It's the chamois'leaping powers, more than its fleetness of foot, that was astounding.是小羚羊的跳跃能力, 而不是它的奔跑速度使人吃惊.They broke asunder, sidling out of their benches, leaping them.他们忽然散开来, 有的侧身从凳子前挤出去, 有的从上面一跃而过.The ...
自动化地面飞机, 孤立的除铜.Automated ground planes, isolated copper removal.研究 - 聚合胺复合材料树脂SP-C在模拟氯化镍电解液中深度净化除铜工艺.The deeply removing copper process from the simulated nickel chloride electrolyte with SP - C is studied....