很明显,青春期正常发育和第二性症的维持都需要瘦素.

Leptin is clearly required for appropriate pubertal development and maintenance of secondary sexual characteristics.

臭蛙类第二性征的多样性与进化研究 ( 两栖纲: 蛙科 )

STUDY ON DIVERSITY AND EVOLUTION OF THE SECONDARY SEXUAL CHARACTERS OF THE ODOR FROGS ( AMPHIBIA: RANIDAE )

认为物质第一性意识第二性的哲学派别。

Cynic is the member of a sect of ancient Greek philosophers.

作为雄性鹿的第二性征，鹿茸的发生和再生过程除受到激素的调控外，还与营养因素密切相关。

The antler occurrence and regeneration process is not only regulated by hormone but also by the regulation of nutrition factors.

张爱玲对第二性生存困境的思考，有其一定的历史意义及现实意义，为我们研究女性文化及女性文学拓宽了道路。

Her ideas about women's survival plight are of great historic and realistic significance, thus, widening our range of knowledge of women's culture and literature.