評論
打印
Waves
波浪
A wave is the movement of water.
波浪是水的運動。
Why do waves happen?
波浪是怎么產(chǎn)生的呢？
Waves are made when the wind blows over the surface of water.
風(fēng)吹水面就會產(chǎn)生波浪。
On the beach, you probably watch waves.
在沙灘上，你也許會看到波浪。
Sea waves can be very powerful and dangerous.
海浪可能非常強(qiáng)大，且非常危險。
Huge waves sometimes break out and then kill people.
有時會爆發(fā)巨浪殺人。
Can we change the power of waves into energy?
我們能把波浪的力量轉(zhuǎn)化成能量嗎？
Yes, engineers make wave energy machines to use the power of waves.
能，工程師制造了波浪能機(jī)器來利用波浪中的能量。
Also, you can make waves by yourself.
你也可以自己制造波浪。
How does it happen?
怎么做呢？
When you throw a rock into water, you can see waves.
你往水里扔一塊石頭，你就能看到波浪了。
When you flush the toilet, you can also see waves.
當(dāng)你沖廁所時，你也能看到波浪。
