The scrotum is part of the male reproductive system.

阴囊是男性生殖系统的一部分。

The testicle is part of the male reproductive system.

睾丸是男性生殖系统的一部分。

Ejaculation is a part of the male reproductive system.

射精是男性生殖系统的一部分。

The penius is a crucial part of the male reproductive system.

阴茎是男性生殖系统的重要组成部分。

The penis is an external organ of the male reproductive system.

阴茎是男性生殖系统的外部器官。

The testis is an essential part of the male reproductive system.

睾丸是男性生殖系统的重要组成部分。

A strong tonic for the male reproductive system.

这是强力的男士生殖系统调理配方.

The prostate is a gland in the male reproductive system. Prostate cancer is caused by mutating cells that multiply out of control.

摄护腺是男性泌尿生殖系统的一个器官，摄护腺癌是因为摄护腺体内的恶性细胞增生所造成的。

The changes may seem small, but the study authors suspect they are one manifestation of the effects of environmental pollutants on the male reproductive system.

可能这些变化看起来微不足道，但研究人员提出，这是环境污染对男性生殖系统所造成的危害的一种表现。

The changes may seem small, but the study authors suspect they are one manifestation of the effects of environmental pollutants on the male reproductive system .

可能这些变化看起来微不足道，但研究人员提出，这是环境污染对男性生殖系统所造成的危害的一种表现。