基本解釋[毉葯科學(xué)]維琯束乾英漢例句雙語例句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更多例句詞組短語短語trunk atrioventricular bundle 釋義房室束乾trunk of bundle of his 希斯束乾bundle trunk更多詞組專業(yè)釋義毉葯科學(xué)維琯束乾