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来源:雅诚德英语网
At the same time, forests provide raw materials for human activities through their constantly renewed production of wood.
同时,森林通过不断更新木材数量为人类活动提供天然原料。
At the same time, forests provide raw materials for human activities through their constantly renewed production of wood.
同时,森林通过不断更新木材数量为人类活动提供天然原料。