这是通过中枢神经系统的调节作用实现的。This works through the mediation of the central nervous system.他正在服用一种危险的药物：这种药物能很快影响到中枢神经系统。He's taking a dangerous drug: it acts very fast on the central nervous system.语言中枢位于左半脑。The major centr...
‘We’d just finished our meal when John realized he’d accidentally left his chequebook at home.“Accidentally on purpose, you mean!”“我们刚吃完饭,这时约翰发现他无意中把支票本落在家里了。”“你是说他是有意装无意吧！”As the tabloids have hit on hard times, the che...
军士是海军的骨干。Petty officers are the backbone of a navy.军士为部下不整洁的服装而责骂他们.The sergeant lashed the troops for their sloppy dress.将军表扬这位勇敢的军士.The general commended the sergeant for his bravery....
她病得很严重，被戴上了人工呼吸器。She was so ill that she was put on a respirator.有机食品是未使用人工化学制剂和杀虫剂的纯净食品。Organic food is unadulterated food produced without artificial chemicals or pesticides.我们这一系列的药草茶不含防腐剂、色素以及人工调味品。Our range of herba...