sit upon

例句：

1. 1.She sat upon the bench and enjoyed the sunshine.
   她坐在长椅上享受阳光。
2. 2.The old man sat upon the park bench and read his book.
   老人坐在公园的长椅上看书。
3. 3.He sat upon the edge of the bed, feeling restless.
   他坐在床边的边缘，感到不安。