英语词汇embryo sac怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

短语

1
Megaspore tetrad is linear. The chalazal megaspore develops into an embryo sac of Polygonum type.
大孢子四分体为线形，合点端功能大孢子发育成为蓼型胚囊。
2
A mature embryo sac is composed of egg apparatuses (two synergids and one egg cell), central cells and three antipodal cells.
成熟胚囊包含卵器(由两个助细胞、一个卵细胞组成)，中央细胞及三个反足细胞。
3
TyPes of endosPerm and embryo sac and structural feature of susPensor were also discussed.
还对沙打旺胚柄的构造特点，胚乳和胚囊的类型等进行了讨论。

单词	embryo sac
释义	embryo sac 简明释义 [植] 胚囊网络释义 1 ?胚乳囊胚乳囊短语 1 embryo sac 植胚囊 2 embryo sac mother cell 大孢子母细胞 ; 植胚囊母细胞 3 embryo sac haustorium 胚囊吸器双语例句 1 Megaspore tetrad is linear. The chalazal megaspore develops into an embryo sac of Polygonum type. 大孢子四分体为线形，合点端功能大孢子发育成为蓼型胚囊。 2 A mature embryo sac is composed of egg apparatuses (two synergids and one egg cell), central cells and three antipodal cells. 成熟胚囊包含卵器(由两个助细胞、一个卵细胞组成)，中央细胞及三个反足细胞。 3 TyPes of endosPerm and embryo sac and structural feature of susPensor were also discussed. 还对沙打旺胚柄的构造特点，胚乳和胚囊的类型等进行了讨论。
随便看	urea methods for ureametry urea moulding material urean urea nitrate urea nitrogen urea nitrogen appearance Urea Nitrogen,Blood urea nitrogen concentration urea nitrogen synthesis rate urea non adduct forming material urea non-adduct-forming material urea ointment urea oxalate urea oxalate dihydrate urea oxcalate urea peroxide Urea peroxide otic preparation ureaphil urea phosphate urea-phosphate fire retardant urea phosphate fire retardant urea plant ureaplasma Ureaplasma Infection