four-start worm 中文意思是什麼
four-start worm
解釋
四線蝸桿-
The appendix is a worm - like tube between two and four inches long protruding from the start of the large intestine
闌尾是一突出於大腸起始端, 2 - 4英寸長的蠕蟲樣的管狀器官。
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