This precipitate dissolves in an excess of aqueous ammonia.这个沉淀能溶解在过量的氨水中.Clearly aqueous preservative systems must possess a fixation mechanism.显然,水溶性防腐剂必须有固定的历程.Activated carbon, alumina are often used to remove many t...
如何装配玩具的说明非常清楚明了.The instructions for assembling the toy are very clear.这玩具的头和身子是用铁丝连在一起的.The head joins on the rest of the toy with wire.几个西洋小孩子却在那里放玩具的小木船.Several foreign children were sailing a toy boat on the pond....
...the clumsy and ineffective mechanism of price controls.方法笨拙、效率低下的价格控制机制These verbs mean to make something ineffective by if by applying an opposite or counterbalancing force.这些动词是指通过使用相反的或制衡的力量使事物无效.Recently covenants...
A device used to read information encoded on merchandise tickets, credit cards, and employee badges.用于读入商品标签 、 信用卡和雇员证上编码信息的装置.a substandard piece of merchandise一件不合标准的商品Enjoy fantasy games, merchandise discounts and oth...