《大 胸 男 生 图 鉴 》(女生禁看版)
![](http://static.careerengine.us/api/aov2/http%3A_%7C__%7C_mmbiz.qpic.cn_%7C_mmbiz_jpg_%7C_h4Ah6vCgBKWMKklGV59ibevGbibkUicd2QE8Yo2fbpcLicibOib5OzPscZqU8cqXvHL2KPdscopar7JKAdbt25DahDJQ_%7C_0%3Fwx_fmt%3Djpeg.jpg)
![](http://static.careerengine.us/api/aov2/https%3A_%7C__%7C_mmbiz.qpic.cn_%7C_mmbiz_png_%7C_h4Ah6vCgBKWMKklGV59ibevGbibkUicd2QEedfHomeJmNGBhEBYA4egadyDY3dnqibX3lEWutdOO4YQjaGIBIW4mlQ_%7C_640%3Fwx_fmt%3Dpng.jpg)
![](http://static.careerengine.us/api/aov2/https%3A_%7C__%7C_mmbiz.qpic.cn_%7C_mmbiz_gif_%7C_h4Ah6vCgBKWMKklGV59ibevGbibkUicd2QEmeice8lvWlQ1TuIcFQFunNPxhOcKQzYFMFsHibtRVWhvKd7mwl9ItGAQ_%7C_640%3Fwx_fmt%3Dgif.jpg)
或者这样的:
![](http://static.careerengine.us/api/aov2/https%3A_%7C__%7C_mmbiz.qpic.cn_%7C_mmbiz_gif_%7C_h4Ah6vCgBKWMKklGV59ibevGbibkUicd2QEskIusSc1TS0T3YtyNBat4XIQ7u31GoRppcHjyUsGXsAoiaTemRQt7iaw_%7C_640%3Fwx_fmt%3Dgif.jpg)
正常情况下,在青春期前,男生和女生的乳房都长一个样。到了青春期,女生的性腺开始发育,第二性征出现,其中就包括了乳房的发育。
![](http://static.careerengine.us/api/aov2/https%3A_%7C__%7C_mmbiz.qpic.cn_%7C_mmbiz_jpg_%7C_h4Ah6vCgBKWMKklGV59ibevGbibkUicd2QECzBcbTIexkn4phlaibJZ6R9pM8QEbp71kcAddBNLKMGS1iaFiawdx1Bkg_%7C_640%3Fwx_fmt%3Djpeg.jpg)
所以,男生胸部变大这件事,有可能是因为健身了,胸肌变大。
![](http://static.careerengine.us/api/aov2/https%3A_%7C__%7C_mmbiz.qpic.cn_%7C_mmbiz_png_%7C_h4Ah6vCgBKWMKklGV59ibevGbibkUicd2QE33KtR10MGWdYSn5njGsJ1bb5ZF9BWCichPkhic8DiaMOw3q3Tn2c0xofQ_%7C_640%3Fwx_fmt%3Dpng.jpg)
![](http://static.careerengine.us/api/aov2/https%3A_%7C__%7C_mmbiz.qpic.cn_%7C_mmbiz_gif_%7C_h4Ah6vCgBKWMKklGV59ibevGbibkUicd2QESmcCSWyHasKKT8NZmvCl2RPhT9N8UJGcMbSwsLYkJzHexJXUBoibqFA_%7C_640%3Fwx_fmt%3Dgif.jpg)
![](http://static.careerengine.us/api/aov2/https%3A_%7C__%7C_mmbiz.qpic.cn_%7C_mmbiz_gif_%7C_h4Ah6vCgBKWMKklGV59ibevGbibkUicd2QEnCO7ibJOcsU12ILsUyhWdpUsiaC1C2Ik45pib3SibRw7Aj6gibbDuS27joQ_%7C_640%3Fwx_fmt%3Dgif.jpg)
作者:啊〇
审核:六普外
编辑:乱吠
校对:Yuki
设计:黄仔
关键词
激素
乳房
疾病
分泌乳汁
第二性征
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版权声明:以上内容为用户推荐收藏至CareerEngine平台,其内容(含文字、图片、视频、音频等)及知识版权均属用户或用户转发自的第三方网站,如涉嫌侵权,请通知[email protected]进行信息删除。如需查看信息来源,请点击“查看原文”。如需洽谈其它事宜,请联系[email protected]。