Rectum
直肠REK-tum
释义：
The distal portion of the large intestine; it stores and eliminates undigested waste (roots: rect/o, proct/o)
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医林拾薪
Rectum
直肠释义：
The distal portion of the large intestine; it stores and eliminates undigested waste (roots: rect/o, proct/o)