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....
每年春天，臭氧遭到破坏，空洞就出现了。Every spring the ozone is chewed up, and the hole appears.亚太经合组织似乎为一大堆空洞的胡言乱语所淹没。APEC seems be drowning in an ocean of jargon.对《星期天的爱情》这首歌的即兴模仿听起来尤其空洞。The ersatz spontaneity of "Sunday Love" sounds esp...