无精的...

n.精子活力不足...

防已科...

The shikonin and its derivatives is produced by suspension cultured Lithospermum erythrorhizon cells in M 9 medium.紫草是一种重要的中草药材,其培养细胞在M9培养基中可以大量生产主要的药物成分紫草宁....

n.双受精，二精入卵...

Gymnospermae的音标：...

Angiospermae的音标：...

[医] 被子植物素...

n.被子植物...

n.紫草...

isospermotoxin的音标：isospermotoxin的英式发音音标为：[aɪsɒspəməʊ'tɒksɪn]isospermotoxin的美式发音音标为：[aɪsɒspəmoʊ'tɒksɪn]...

mesosperm的音标：mesosperm的英式发音音标为：['meɪsəspəm]mesosperm的美式发音音标为：['meɪsəspəm]...

antispermotoxin的音标：antispermotoxin的英式发音音标为：[æntɪspɜ:məʊ'tɒksɪn]antispermotoxin的美式发音音标为：[æntɪspɜmoʊ'tɒksɪn]...

n.不完全无配生殖，无配子种子生殖...

Among these plants , the most important families are as follows , Ranunculaceae, Berberidaceae, Menispermaceae, Papaveraceae, Rutaceae, Fabaceae, Apocynaceae, Solanaceae, Asteraceae and so on.其中主要的科为:毛莨科 、 小檗科、防己科 、 芸香科 ...

The life cycle of maize is that of a typical angiosperm.玉米的生活史是被子植物中比较典型的.Funicle ( funiculus ) The stalk attaching the ovule ( later the seed ) to the placenta angiosperm ovaries.中连接胚珠 ( 之后的种子 ) 和胎座的柄.Funicle ( funiculu...

sperm的音标：sperm的英式发音音标为：[spɜ:m]sperm的美式发音音标为：[spɜrm]...