足: Ⅰ名词1.(脚; 腿) foot; leg 短语和例子赤足 barefoot; 失足 lose one's footing; 鼎足 the legs of a tripot2.(姓氏) a surname 短语和例子足强 zu qiangⅡ形容词(充足; 足够) sufficient; ample; enough; full 短语和例子干劲十足 full of energy
Example Sentences:
1.
Three nuclei differentiate into the antipodal cells . 三个核分化成为反足细胞。
2.
They do not occur in all flowering plants 并不是所有的开花植物都有反足细胞。
3.
Antipodal cells the three haploid cells found in the embryo sac of seed - bearing plants that migrate to the chalaxal end of the sac farthest from the micropyle 反足细胞:胚囊三次分裂形成卵细胞,助细胞和极核等,其中位于合点端的三个单倍体细胞称反足细胞。
4.
Embryological studies reveal that megaspore and such cells as egg , synergid and antipodals in mature embryo sac initiate the division of forming haploid plants through embryogenesis or callus formation 胚胎学观察揭示大孢子与胚囊内的卵细胞、助细胞和反足细胞均有可能在培养中启动分裂,通过胚状体或愈伤组织形成单倍体植株。