留意便宜货，但绝不要买表面凹陷的罐头。Watch out for bargains, but never buy dented cans.这个声音如此耳熟，她根本没怎么留意。The sound was so familiar that she didn't register it.街道委员会留意所辖区域内的家家户户。Street committees keep a weather eye on the families in ...
提出了人因事故预防和减少的综合体系.Finally, a basis system of accident prevention and accident reduction was given.因事故车辆行人改走边道.Traffic is diverted onto a side - road because of the accident.驾驶员因事故而受到指责.The driver was blamed for the accid...
The ability of clay minerals to catalyse decarboxylation has long been recognised.粘土矿物能催化脱羧基作用是早已认识到的问题.The results demonstrate that this catalyse has an excellent activity and selectivity this reaction.结果表明该催化剂对此合成反应具有很...