胚囊,普通具有8个遗传上相同的单倍体核.Embryo has most commonly eitht genetically identical haploid nuclei.植入之后不久,胚囊的壁, 即滋养细胞含有两层细胞.Shortly after implantation the blastocyst wall, the trophoblast, consists of two layers of cells.存在于胚囊和胎座中的...
画一画从你家到学校的地图.Draw a map from your home to your school.他的一笔一画充满力量和感情.His strokes are full of strength and emotions.千言不如一画.One picture is worth a thousand words....
Headquarter locates in Shanghai and branch office in Shenyang.总部位于上海,目前在沈阳设有办事处.The caster locates and awakens an ancient hero from his eternal sleep.施法者发现并将一位远古的英雄从其永恒的沉睡中唤醒.The rotor system locates in an aircraft flyin...
"Robinson Crusoe" is one of the most famous books in the world.《鲁宾逊漂流记》是一本世界名著。Defoe skilfully narrated the adventures of Robinson Crusoe on his desert island.笛福生动地叙述了鲁滨逊·克鲁索在荒岛上的冒险故事.Friday learned English so that Cruso...