偶尔会有病人过于虚弱，必须通过静脉注射进食。Occasionally a patient is so debilitated that he must be fed intravenously.她看见蛾子的翅膀偶尔会泛光。She saw the occasional glimmer of a moth's wings.我爸爸偶尔会到他的共济会分会那里去。My father would occasionally go to hi...
METHODS: Its optimal extractive condition was found by right - cross test.方法: 用正交试验法得到最佳提取条件.Extractive distillation is an important separation process in chemical industry.萃取精馏是化学工业中重要的分离方法之一.Extractive industry, howeve...
原来的柏油操场已经覆上了草皮或种满了鲜花。The asphalt playgrounds have been grassed over or sown with flowers.柏油路面两边的辅道上布满车辙，凹凸不平。The side tracks off the tarred road were rutted and uneven.我闻到了柏油熔化了的味道。I smelled tarry melted asphalt....
Has the nuptial dress photography profession being employed experience.具有婚纱摄影行业从业经验者....the lofty disdain he often expresses for his profession.他常在言语间流露出来的、对其职业不屑一顾的傲慢态度Catching colds is unfortunately an occupational haz...
How can ability differentiate cobaltic bake in a pan bake porcelain tooth?怎么样才能鉴别钴烙烤瓷牙?Metal complexants such as ferrous complexant and cobaltic complexant are common used in this process.液相络合法常用的金属络合剂有亚铁络合剂和钴络合剂等....