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...