题目内容

a gland in males that surrounds the urethra

查看答案

搜索结果不匹配？点我反馈

更多问题

to take cells or other body parts from someone for medical use; to pick and collect crops, or to collect plants

producing new life or offspring

a sac in the body where urine is held

any of numerous substances that consist of chains of amino acids, contain the elements carbon, hydrogen, nitrogen, oxygen, and often sulfur, and are supplied by various foods