Old people often try to economize on heating, thus endangering their health.老年人常常想方设法节约用暖气，结果损害了他们的健康。Economize in order to make one's money spin out until next payday.节省花钱以维持到下一次发薪.We must economize on fuel.我们必须节约燃...
a campaign to encourage childless couples to adopt鼓励无子女夫妇领养孩子的运动A higher'co - efficient of preservation'characterises married women with children than childless marriages.有子女的已婚妇女同无子女的婚姻相比,其“保存生命的系数”较高....child...
Of course, now she is away at boarding school.当然，她现在住在寄宿学校那边。She sent her son to a boarding school in the East.她送儿子上了东部的一所寄宿学校。He found the transition to boarding school excruciatingly painful.他发现转到寄宿学校极其痛苦。...
Seven million doses of vaccine are annually given to British children.英国孩子每年要接种7百万剂疫苗。Roll on the day someone develops an effective vaccine against malaria.盼望有一天有人会研制出一种能有效预防疟疾的疫苗。The monkeys had been immunized with a va...