rectum，英文单词，主要用作为名词，作名词时意为“直肠”。
单词用法
rectum
短语搭配
rectum cancer 直肠癌
双语例句
The dose to the rectum was calculated from the planning computed tonography.
直肠的剂量是根据计划的张力描记器计算得出的。
Once a bear went down, they landed and collected a sample directly from its rectum.
只要北极熊倒下了，他们就能登陆，直接从北极熊的直肠采取样本。
Although it was successful, the doctor said his cancer had spread to areas close to the rectum, so he had to undergo chemotherapy.
尽管手术很成功，但医生说他的癌症已经扩散到邻近直肠的区域，所以他必须接受化疗。