I've got some questions for you to think about.
我有一些問題要你們想一想。
What happens when water boils? What happens when water freezes?
當水煮沸時會發生什么?當水結冰時會發生什么?
What happens when ice melts? What happens when steam cools down?
當冰融化時會發生什么?當水蒸氣冷卻時會發生什么?
When water boils, it turns into steam.
當水煮沸時,它會變成水蒸氣。
When water freezes, it turns into ice.
當水冰凍時,它會變成冰。
When ice melts, it turns into water.
當冰融化時,它會變成水。
When steam cools down, it turns into water.
當水蒸氣冷卻時,它會變成水。