Purpose : To analyse the MR manifestations and clinical significance of Empty Sella Syndrome ( ESS ).目的:分析空蝶鞍综合征 ( ESS ) MR表现及临床意义....vast tracts of empty land, much of it contaminated by years of army activity.大片撂荒的土地，其...
Empty the contents of the pan into the sieve.将锅里的东西倒到筛子上。She showed him around the ground floor of the empty house.她带他参观了这处空房子的底楼。She went to the sink and ran water into her empty glass.她走到水槽边，把空玻璃杯灌上水。...
Frogs eat pests which destroy crops and carry diseases.青蛙吃破坏庄稼、传播疾病的害虫。He doesn't spray against pests or diseases.他并不喷药防虫祛病。Rodents carry diseases and are generally regarded as pests.啮齿目动物传播疾病,常被当作害虫对待....
五是二十五的平方根.Five is the square root of 25.百分之九十五的屏幕都包含电脑制作的图象.95 percent of the screen contained images made by computers.每年需要移植器官的人又以约百分之十五的速度递增.The demand for transplantable organs is rising about 15 percent annually....
Precipitates are usually collected by centrifugation at intervals.常常是用离心法分段收集沉淀的.Try to get into the habit of eating at least three small meals a day, at equally spaced intervals.尽量养成每天至少吃3顿小餐的习惯，而且每餐的间隔要相同。She began to ...