性器官-男性性器官
The
Sex Organs - The Male Sex
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內部性器官：附屬腺
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為了在射精後能夠存活下來，精子需要在粘稠的、富含營養和具有保護作用的液體裏遊弋，這種液體就是精液。事實上，精液由數種不同的液體所構成，它們從尿道不同的部位彙集而來。這些液體中最重要的部分由以下將要講述的器官所產生。
The
Internal Sex Organs: Accessory Organs
In order to survive after their ejaculation, the sperm cells need to swim in a thick, nourishing, protective fluid called semen. Actually, the semen is composed of several different fluids which come together at various points in the urethra. The most important of these fluids are produced by the organs described in the following sections.
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