上星期天，我们班上有十个同学参加了横渡长江的游泳活动。

Last Sunday ten students from our class entered for the swim across the Yangtze River.

youdao

上星期天，我们班上有十个同学参加了横渡长江的游泳活动。

Last Sunday ten students from our class entered for the swim across the Yangtze River.

youdao