Antibodies in breast milk protect babies against infection.母乳中所含的抗体可以保护婴儿免受感染.The antibodies attack and slaughter the invading microbea in the cut.抗体能攻击和杀伤侵入伤口的微生物.Each type evokes antibodies which protect against the ho...
This latest incident will add to the pressure on the government...最近的这次事件将会给政府增加压力。When I tell someone I will not betray his confidence I keep my word...如果我告诉某人我不会辜负他的信任，我就会恪守诺言。High achievers will receive cash bonuses.....
a system of ropes and pulleys绳索滑轮系统Levers and pulleys are simple machines.杠杆和滑轮是简单机械.Among them were rickshaw pulleys, peddlers, policemen and servants.这些人有的拉车,有的做小买卖, 有的当巡警,有的当仆人....
探讨了一种三支承导轨跨距的优化计算方法.The span of the three - brace guiding rail is optionally calculated.各自的跨距拥有十二个手指宽度.Each span has twelve finger - breadths.并研究了三种失稳与砌体梁的跨距 、 高度及其承受载荷的关系.Their relationships between instability of stack...
Doris Brown closed her eyes and lapsed into sleep.多丽丝·布朗闭上眼睛，安然入睡。She lapsed into a little girl voice to deliver a nursery rhyme.她改用童声唱起童谣来。She calls herself a lapsed Catholic.她称自己已不再信仰天主教。...