One winter day in 1891, a class at a training school in Massachusetts, U. s. a, went into the gym for their daily exercises.

1891年冬季的一天，美国马萨诸塞州一所培训学校的一个班走进体育馆进行日常训炼。

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One winter day in 1891, a class at a training school in Massachusetts, U. s. a, went into the gym for their daily exercises.

1891年冬季的一天，美国马萨诸塞州一所培训学校的一个班走进体育馆进行日常训炼。

youdao