solid fuel
heating fuel
biomass
fossil fuel
1. They use wood and coal to heat the house.
他们用木材和煤炭给房子取暖。
2. The cost of wood and coal is rising.
木材和煤炭的价格正在上涨。
3. We need more wood and coal for the stove.
我们的炉子需要更多的木材和煤炭。
A: How do you heat your home in winter?
A:你冬天怎么给家里供暖?
B: We mainly use wood and coal.
B:我们主要使用木材和煤炭。
1) 指代固体燃料组合
2) 用于讨论能源类型
3) 用于环境与能源话题
1. 木材与煤炭
e.g. The store sells wood and coal.
商店出售木材和煤炭。
noun phrase
1. Refers to wood and coal, typically as fuel sources.