1·The tree trunk was hollow inside.
这树干里面是空的。
—— 《牛津词典》
2·It might be one slightly different tree trunk, a path winding through, or a splash of color on a flowering vine.
一个有点特别的树干、一条曲折的小径、或者一个花藤上五彩斑斓的颜色都是很好的拍摄主体。
3·As with the floor, I left a gap around the tree trunk to allow for growth, as well as movement in strong winds.
我在环绕树干的地板上留下一条缝隙，让树木能够生长，也能随着强风摇摆。
4·The naked person was firmly fastened within a back-to-back pair of narrow rowing boats (or a hollowed-out tree trunk), with the head, hands, and feet protruding.
被剥光了衣服的死刑犯被牢牢地绑在一对反扣的狭窄的小船里(或是中空的树干), 头,手, 和脚露在外面.
5·So the boy cut the tree trunk to make a boat. He went sailing and never showed up for a very long long time.
你能给我一艘船么”“用我的树干造船吧，你可以去远方，好好娱乐下”男孩砍到树干造了船，男孩去航海了，很久没有露面过。