Maybe your school has swings. Two long chains hold a seat. You hold the chains. The seat is behind you. You move back a little. Then you sit and put your feet out! Whee!

你應該玩過學校的鞦韆，手抓緊鍊子，坐在椅子上，雙腳往前伸，然後往後彎，就可以飛好高！

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