梨树被嫁接到榅的根茎上。Pear trees are grafted on quince rootstocks.苹果树很容易嫁接.Apples are easily grafted.在温带地区一年以上的嫁接植株通常比一年生的成活率高.In temperate regions more than one - year - old often survive better than one - year - old plants....
He used exercise programmes to rehabilitate the patients.他采用体育锻炼疗法使患者恢复健康.Considerable efforts have been made to rehabilitate patients who have suffered in this way.为帮助遭受这种病痛折磨的病人康复付出了巨大努力。The Sequoia Club attempted to r...
A cloud is a mass of vapour in the sky.云是天空中的水汽团块.A cloud is a condensation of water vapour in the atmosphere.云是由大气中的水蒸气凝结成的.Clouds are formations of condensed water vapour.云是由凝聚的水蒸气构成的....
He looks much too skinny / scrawny to be a weight - lifter.他瘦骨嶙峋的,当不了举重运动员.The valve lifter, a round cylinder, rides on the cam.气门挺杆为一圆筒体, 坐落在凸轮上.Liu Chunhong, a Chinese weight - lifter, has created three new world recor...