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Tract
01
一筆
(anatomy) a system of interconnected organs or tissues that perform a particular task in the body
02
一筆
a large area of land, often defined by boundaries, used for specific purposes such as development, agriculture, or conservation
03
一筆
a brief treatise on a subject of interest; published in the form of a booklet
04
一筆
a bundle of myelinated nerve fibers following a path through the brain
例
The reproductive success of mammals depends on the ability of sperm to navigate the female reproductive tract and impregnate the egg.
