It is usually found in metaxylem tracheids and vessels.经常在木质部管胞和导管中发现.Exarch Denoting a stele in which the metaxylem develops to the inside of the protoxylem.外始式:指后生木质部在原生木质部之内的中柱类型....
To map 100 mutants by this method would necessitate nearly 5,000 crosses.用这种方法来绘制100个突变型的遗传图就要做5000个杂交.Earth crosses the orbit of Halley's Comet annually in October.地球和哈雷彗星的轨道将于每年的十月份交叉.All the morning wreaths and c...
The hero, Danny, bears an uncanny resemblance to Kirk Douglas.主人公丹尼与柯克·道格拉斯出奇地相像。Tony was unnerved by the uncanny familiarity of her face.怪异的是，她看起来竟有些面熟，这让托尼心慌意乱。I had this uncanny feeling that Alice was warning me.我有一种奇...
You won’t succeed if you are apathetic.要是你冷淡,你就不能成功。Apathetic busyness and puzzled thinking could never prevent the brilliance before.漠然的忙碌,混沌的思索,遮挡不住曾闪耀的光辉.Even the most apathetic students are beginning to sit up and li...
Many of the world's leaders have already denounced this election as a sham.许多国家的领导人已经指责这次大选弄虚作假。Its patrician dignity was a picturesque sham.它的贵族的尊严只是一套华丽的伪装.And let's be clear the supposed alternative, nonprof...
The traveling library services have been reorganised - in other words , they visit fewer places.地方将提供更多的就业机会, 尤其是服务行业.She reorganised her eating so that she was taking more fruit and vegetables and less starch, salt, and...