n.線槽(管道；中繼)
He was hewing away at the trunks:男用運(yùn)動(dòng)褲." target="_blank">trunk of the tree. 他不停地照著樹(shù)干砍去。
They built a primitive shelter out of tree trunks. 他們用一些樹(shù)干建造了一個(gè)簡(jiǎn)陋的棚子。
He cut off the branches from the trunk. 他把樹(shù)干上的小分枝都剪掉。
