The gills of fishes are analogous to the lungs in terrestrial animals.鱼类的鳃与陆上动物的肺类似.Evolution can explain why human embryos look like gilled fishes.进化论能够解释为什么人类的胚胎看起来象除去了内脏的鱼一样.Birds, fishes, and insects lay eggs.鸟下蛋, 鱼和...
“要让这片丛林成为果园，”他无比兴奋地说。"Orchards would take the place of the jungle," he rhapsodized.“我已经找到想买的最棒的房子啦！”她兴奋地说。"I've found the most wonderful house to buy!" she enthused.每个开着门的办公室门口都有官员们三五成群在兴奋地交谈。Officials were clustere...