An instrument for examining visually the interior of a bodily canal or a hollow organ such as the Colon, bladder, or stomach.
内窥镜,内视镜一种目测检查身体通道或中空器官,如结肠、膀胱或胃的内部的仪器
There is a Colon omitted in this sentence.
这个句子中丢了一个冒号。
The old man died from Colon cancer.
这位老人死于结肠癌。