1970年，法国农场的平均规模为19公顷。In 1970 the average size of a French farm was 19 hectares.他有将近1,000公顷的草场和耕地。He had nearly a thousand acres of grazing and arable land.每年都有几千公顷的森林遭到破坏。Thousands of hectares of forest are destroyed eac...
His legs were curled beneath him in a foetal position.他的腿蜷缩在身下，就像胎儿的姿势一样。She lay curled up in a foetal position .她像胎儿一样蜷曲地躺着。Some foetal malformations cannot be diagnosed until late in pregnancy.有些胎儿的畸形部位得等到妊娠后期才能诊断出来。...
Man – made CFCs are the main cause of ozone depletion in the stratosphere.人造氯氟烃是臭氧层破坏的主因.The decomposition of chlorofluorocarbons ( CFCs ) has been a hot topic in recent years.氟里昂分解已成为当今环保技术的热点之一.CFCs cause depletion of ...