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.Early division phase embryos may use metabolites provided by the suspensor, persistent and degenerating synergids.早期分裂时期的胚可以利用胚...
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.A sharp demarcation of adventive embryos from zygotic embryos cannot be drawn.不定胚与合子胚之间不能划分出明显的界限.Most grass embryos have a fla...
Rebel sources have so far reacted cautiously to the threat.到目前为止，反叛分子面对威胁的反应非常谨慎。She climbed the staircase cautiously, holding fast to the rail.她紧紧地抓着栏杆，小心翼翼地爬楼梯。David moved cautiously forward and looked over the edge.戴维...
看来,他们除了想捕鱼外,还打算打鸟.For that they design'd some sport of fowling as well as fishing.他用枪打鸟.He shot the bird with his gun.小孩掷石头打鸟.The boy threw a stone at the bird....
He gets a kick out of reading the blurb on cereal boxes.他以读谷类食品包装盒上的广告为乐.We must deal with the situation before it gets out of hand.我们应在局面变得无法控制前找出对策.Nick Wileman is a school caretaker so it is vital that he gets on well...
硝酸盐由土壤渗入江河。Nitrates leach from the soil into rivers.江河湖泽给我们以舟楫和灌溉之利.Rivers and lakes provide us with water transport and irrigation.江河流入海中.Rivers flow into the sea....
You're too old to go gallivanting around Europe.你年纪太大，不能到欧洲各地游逛去了。A girl's place is in the home, not gallivanting around and filling her head with nonsense.女孩子就该在家呆着，不能四处闲逛，成天胡思乱想。Oh , stop all this gallivantin...