The rectum is the last stretch of your large bowel, the part that holds waste until you go to the toilet. After the rectum comes the anus, the opening itself; doctors keep those two names apart, though everyday talk often just says “bottom.” Rectum is a medical word, used in hospitals, biology class, and on medicine notes.

The rectum is the last stretch of your large bowel,直腸是大腸的最後一段， the part that holds waste until you go to the toilet.也就是在你上廁所之前用來裝廢物的那部分。After the rectum直腸之後 comes the anus, the opening itself;接著是肛門，也就是開口本身； doctors keep those two names apart,醫生會把這兩個名稱分開來用， though everyday talk often just says 'bottom.'雖然日常說話常常就只說「屁股」。 Rectum is a medical word,Rectum 是醫學用字， used in hospitals, biology class, and on medicine notes.用在醫院、生物課和藥品說明上。

It is not a swear word and not a joke word, though people sometimes giggle because the topic is private.

It is not a swear word and not a joke word,它不是髒話，也不是玩笑話， though people sometimes giggle不過有時候大家會忍不住笑 because the topic is private.因為這個話題比較私密。

The Latin name was rectum intestinum, “the straight intestine,” because that last section runs fairly straight; later it was shortened to rectum.

The Latin name was rectum intestinum,拉丁文名稱是 rectum intestinum， 'the straight intestine,'意思是「直的腸子」， because that last section runs fairly straight;因為最後這一段走得算是滿直的； later it was shortened to rectum.後來就簡化成 rectum。

Animals have a rectum too. The adjective is rectal.

Animals動物 have a rectum too.也有直腸。The adjective is形容詞是 rectal.rectal。