n.精子活力不足...

adj.裸子植物的...

n.外种皮...

The endosperm of the nut owes its marked degree of astringency.坚果的胚乳由于存在丹宁,所以有显著的涩味.The chalazal parts of the endosperm containing free nuclei forms several lobes.包含游离核的合点端胚乳部分形成几个裂片.Heat - denatured wheat endosperm prev...

azoospermie的音标：azoospermie的英式发音音标为：[ə'zu:spəmi:]azoospermie的美式发音音标为：[ə'zuspəmi]...

n.被子植物...

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]...

中种皮...

精子缺乏症...

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

Menispermaceae的音标：...

n.非接合子，无配合子...

chromospermism的音标：chromospermism的英式发音音标为：[k'rəʊməspəmɪzəm]chromospermism的美式发音音标为：[k'roʊməspəmɪzəm]...

sperm whale的音标：sperm whale的英式发音音标为：[spɜ:m hweil]sperm whale的美式发音音标为：[spəm hwel]...

episperm的音标：episperm的英式发音音标为：['epɪspɜ:m]episperm的美式发音音标为：['epɪspɜm]...

The length of a sperm whale's tooth is 20 cm.长度的一抹香鲸的牙齿是20厘米.From the body, the sperm whale is smaller than the killer whale.从体形上看, 抹香鲸比虎鲸要小.The sperm whale has about thirty teeth in its lower jaw.在抹香鲸的下颚上大约有30颗牙齿....

n.紫草...

n.胚乳...

Gymnospermae的音标：...

无精，精液缺乏，无精液...

My husband had a very low sperm count.我丈夫的精子数很低。From the body, the sperm whale is smaller than the killer whale.从体形上看, 抹香鲸比虎鲸要小.The sperm whale has about thirty teeth in its lower jaw.在抹香鲸的下颚上大约有30颗牙齿.Only one sperm fert...

防已科...

aspermatogenesis的音标：aspermatogenesis的英式发音音标为：[æspə'mətədʒi:nəsɪs]aspermatogenesis的美式发音音标为：[æspə'mətədʒinəsɪs]...

n.裸子植物...

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.Other angiosperm cultures based on totipotent cells could be adapted to similar ends.其它用全能细胞的被子植物培养能够适合于类似的目的.Most angiosperm ovules possess two i...

aspermatism的音标：aspermatism的英式发音音标为：['æspəmətɪzəm]aspermatism的美式发音音标为：['æspəmətɪzəm]...

agamospermy的音标：agamospermy的英式发音音标为：['ægəməʊspɜ:mɪ]agamospermy的美式发音音标为：[eɪ'gæməˌspɜmɪ]...

精子着色...

n.射精不能，精液缺乏，无精虫，无精液...

antispermagglutinin的音标：antispermagglutinin的英式发音音标为：[æntɪspəmæɡlu:'tɪnɪn]antispermagglutinin的美式发音音标为：[æntɪspəmæɡlu'tɪnɪn]...