胚有两片大而肉质的子叶.The embryo consists of two large fleshy cotyledons.这种肉质的表面可绝不仅是让我们看起来体面.This fleshy covering does a lot more than make us look presentable.种子坚果状, 卵圆形或长圆形, 顶端凸尖, 生于杯状肉质的假种皮中.Seed nut like, oval like with apex ...
The Yellow River has been harnessed.黄河已被治理.The Aswan Dam harnessed ( the waters of ) the Nile.阿斯安水坝利用尼罗河 ( 的水流 ) 产生动力.On Sunday the horses were harnessed to a heavy wagon for a daylong ride over the Border.星期天，马匹被套在一辆沉重的...
入口处在马伯里路，有清晰的路标。The entrance is well signposted and is in Marbury Road.太空望远镜拍摄到了迄今为止最清晰的冥王星的照片。The space telescope has taken the clearest pictures ever of Pluto.那本百科全书有很多清晰的插图和250多个食谱。The Encyclopedia is packed with clea...
我们想跟孩子们一起制作硫酸铜晶体。We tried to grow some copper sulphate crystals with our children.这些薄薄的晶体传导了大部分的动力。These thin crystals transmit much of the power.那种酸在晶体表面蚀刻出一些小孔。The acid etched holes in the crystal surface....