Definition: A renewable form of energy can be produced as quickly as it is used. Level: C1
风能是一种环保的可再生能源。
Wind power is a ___renewable energy source that is environmentally friendly.
使用可再生能源对于应对气候变化至关重要。
The use of ___renewable energy sources is essential for combating climate change.
水力发电是一种来自流动水资源的可再生能源形式。
Hydropower is a ___renewable form of energy derived from flowing water.
