out-trunk

基本解释

He kicks a foot out over the abyss, balancing on one of his tree-trunk legs.
他朝著深淵淩空踢出一腿，用一條腿保持平衡。
17The burnt-out trunk of a tree is seen in a forest near a village of Zdorovie, Russia on August 10, 2010. (VIKTOR DRACHEV/AFP/Getty Images)
2010年8月10日，俄羅斯Zdorovie村莊附近的森林裡一棵被燒燬的樹乾。
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.
被剝光了衣服的死刑犯被牢牢地綁在一對反釦的狹窄的小船裡(或是中空的樹乾), 頭,手, 和腳露在外麪.

For one, in order to drop the top, the trunk space has to be cleared out, and at times there seem to be a lemon-like malfunction with the electronic locks.
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Is the answer that, like a tall pine tree, the Japanese pagoda—with its massive trunk-like central pillar known as a shinbashira—simply flexes and sways when riding out a typhoon or an earthquake?
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