“撞树”这个曾听起来颇为怪异的举动，现在却成为在中老年人中非常“时尚”的养生法则，这是为什么呢？
从那以后，这个宋国人再也不做农活了，每天就在树旁等，盼着再有兔子来撞树。
Since then, the man no longer did farm work, just waiting near the tree every day for another hare to knock itself against the tree.
那只山羊以头撞树。
波俄官员称，飞机在靠近斯摩棱斯克机场时遇到浓雾，撞树后，无人生还。
Polish and Russian officials said no-one survived after the plane apparently hit trees as it approached Smolensk airport in thick fog.
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