天然

水、森林和礦物都是重要的天然資源。

Water, forests, and minerals are important natural resources.

二氧化碳是燃燒煤、石油或天然氣這樣的燃料時會產生的氣體。

Carbon dioxide is a gas that is produced every time a fuel such as coal, oil, or natural gas is burned.

天然氣的價格上升。

The price of gas is rising.

煤和天然氣是天然燃料。

Coal and natural gas are natural fuels.

你煮飯用天然氣還是電力？

Do you cook by gas or electricity?