Magic Balloon氣球被吹起來了
2020-04-06 04:29:36
閱讀(快樂英語高年級) 2020年12期
What you need：
a balloon ? ?a bottle
a cup or bowl ? ?hot water
What to do：
1. Put the balloon on the top of the bottle.
2. Put some hot water into the bowl.
3. Put the bottle in the bowl.
What happens？
The bottle blows up（吹起）the balloon.The hot water warms（加熱）the air of the bottle.The hot air rushes into（沖進）the balloon. It blows up?the balloon.
