They went hiking in the mountains.

他们去山里远足了。

同一单元的其他句子

• I went to the beach last summer.去年夏天我去了海滩。
• Did you enjoy your holiday?你假期过得愉快吗？
• We visited my grandparents in the countryside.我们去乡下看望了祖父母。
• She didn't go on holiday because she was sick.她没去度假，因为她生病了。
• I swam in the sea every day.我每天都在海里游泳。