They walked past stalls selling huge sprays of crimson, saffron and cobalt flowers.他们经过很多卖花的摊位，摊位上摆着大把大把的鲜花，有深红色的，有金黄色的，还有深蓝色的。Sixty - five percent of the special heat resistant metal in a jet engine is made of cobalt.喷气...
Cobalt - based alloy is a kind of important materials used in elevated temperature.钴基合金是一种重要的高温材料.Recovery of cobalt from Co - Ni residue in zinc hydrometallurgy has been studied.研究了从湿法炼锌净化钴镍渣中回收有价金属....a woman in a soft...
滑雪者在选择购买保险的问题上应该尤其慎重。Skiers should be particularly choosy about the insurance policy they buy.经过慎重考虑，我决定结束我的婚姻。After much thought I decided to end my marriage.但要慎重：这个选择代价不菲。But be warned: this is not a cheap option....
Pauline was already resigned to losing her home.保利娜已经无奈地接受了失去家园的事实。Chief Supt Pauline Clark波林∙克拉克总警司Derek criticised every aspect of Pauline's behaviour, something he had never done when they were courting.德里克对保利娜的行...