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上[ shàng ] 下[ xià ]
Vocabulary
上下
[ shàng xià ]
Intermediate Level（Band 5）
How to Read
1. 上下楼梯可比什么健身器都要好。
[ shàng xià lóu tī kě bǐ shén me jiàn shēn qì dōu yào hǎo 。 ]
Walking up and down the stairs would beat any exercise machine.