the act of sexual procreation between a man and a woman; the man's penis is inserted into the woman's vagina and excited until orgasm and ejaculation occur
coitus的用法和樣例:
例句
用作名詞 (n.)
The vagina receives the penis during coitus. 陰道在性交過程中容納陰莖。
Reaching orgasm long after the beginning of coitus is a common male dysfunction. 性交長久以後才達到性高潮是男性常見的性功能障礙。