Each sequence is made of transgressive system tracts and highstand system tracts.认为娄山关组由7个三级层序组成,层序界面为古岩溶不整合面或暴露带,每个层序都由海进体系域和高水位体系域构成.Highstand System Tract mainly develops depositional system of offshore - meare, fluvi...
孩子表达自己的本能方法就是玩耍。The child's natural way of expressing himself is play.托马斯在一小块围起来的满是沙子的地上玩耍。Thomas was playing in a little fenced area full of sand.女孩子们拿着桶和铲子在沙滩上快活地玩耍。The girls happily played in the sand with bucket...
Before the poor wretch had time to speak, he was shot.这个可怜的人还没来得及开口就中了枪。Oh, what have you done, you wretch!噢，你都干了些什么，你这个混蛋！You are really an ungrateful wretch to complain instead of thanking him.你不但不谢他,还埋怨他,真不知好歹....