Derivatives of bromine are much more active than the corresponding one of chlorine.溴的衍生物的活性要比相应的氯的衍生物大得多.Polyfluorene and its derivatives is one of the most promising electroluminescent polymers.聚芴衍生物是最有发展潜力的电致发光材料之一.The...
The faces of the two conspirators gave the game away.这两个共谋者的表情泄漏了秘密。The French conspirators were forced to escape very hurriedly.法国同谋者被迫匆促逃亡.The chief conspirators paid their failure with their lives.主要的密谋者们为自己的失败付出了生命....
She wore a lovely tiara but the groom, not to be outdone, had on a very smart embroidered waistcoat.她戴了一顶漂亮的冕状头饰，而新郎也毫不逊色，身着一件非常讲究的刺绣西服马甲。He has outdone all his rivals in skill.他在技巧方面胜过所有的对手.Not to be outdone, the Croats...
Curious tourists and reporters from around the globe are descending upon the peaceful villages.好奇的游客和记者从世界各地一齐涌向这些平静的村落。The climbers stopped to orient themselves before descending the mountain.登山者先停下来确定所在的位置,然后再下山.The re...