士兵们穿着沉重的靴子在泥地上沉重地走着。
The soldiers were ___tramping through the muddy field with their heavy boots.
我们计划下周徒步穿越这片森林。
We plan to go ___tramping through this forest next week.
孩子们在泥地里踩来踩去,把鞋子都弄脏了。
The kids were ___tramping through the mud and got their shoes all dirty.