coal burning的用法和樣例：
例句
用作形容詞 (adj.)
- Power plants that burn coal add greatly to air pollution.
燃煤的工廠也大大加重了空氣污染。 - Whereas some of these changes are intended mainly to increase the productivity of existing plants, completely new technologies for burning coal cleanly are also being developed.
雖然某些技術改進是漸進的，其目的只是提高現有電廠的生產率，但人們正在開發全新的清潔燃煤的技術。
