In a square nearby the community where its master lives are many fitness apparatuses, one of which is a double pedal swing for moving legs back and forth. It's Bei Bei's favorite.
主人居住小区附近的一个健身广场上有很多供市民健身用的器械，其中一款前后活动腿脚的器械，是贝贝的最爱。
And the master said, "How, raise one of your legs up."
掌握好听力和阅读的前提是词汇量的积累。
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