月亮上没有声音短文★★★★★
点任意英文单词可看释义，弹层里可以「＋ 生词本」把它加入复习。
My son asked why men on the moon did not call to each other.
我儿子问我，月球上的人为什么不互相喊。
I told him there is no air up there, and sound travels on air.
我告诉他上头没有空气，而声音是靠空气走的。
On the moon they spoke by radio, inside their helmets.
在月亮上他们靠无线对讲，还是在自己的头盔里说。
He thought about that and said it must be a quiet place to work.
他想了一会儿说，那地方干活一定很安静。
He is nine, and he still thinks the flag they put there is standing up.
他九岁，还一直以为他们插在那儿的那面旗是站着的。