基本解释[毉葯科學]維琯束乾英汉例句雙語例句a tree with branches but no trunk looks more like a bundle of twigs fallen on the floor一顆沒有樹乾但是有很多分支的樹看起來更像是地板上的一綑樹枝bundle trunk更多例句词组短语短語trunk atrioventricular bundle 釋義房室束乾trunk of bundle of his 希斯束乾bundle trunk更多词组专业释义毉葯科學維琯束乾