The thyroid is a small gland at the base of your neck.

甲状腺是一个小腺体，位于它的脖子下面。

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The thyroid is a small gland located in the front of the neck just below the voice box.

甲状腺是位于颈部前端、喉头下方的一个小腺体。

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The thyroid is a small gland at the base of your neck.It controls your metabolism, the speed at which your body converts fuel into energy.

甲状腺是位于颈部的小腺体，控制新陈代谢以及身体将食物转化为能量的速度。

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The prostate is a small, walnut-sized gland situated near the bladder in men which produces one of the components of semen.

BBC: Prostate cancer 'diagnosed too late'