搜索
coal
n
collier
n
collier
n
例子
Coal has been a crucial source of energy for centuries, playing a significant role in powering industries and generating electricity worldwide.
Despite efforts to transition to cleaner energy sources, coal remains an important fuel in many countries due to its abundance and affordability.
The mining and burning of coal can have detrimental environmental impacts, including air and water pollution, as well as greenhouse gas emissions contributing to climate change.
The miners dug coal from the earth.
Coal has been a traditional fuel for power plants.
