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问一个英语问题看短文翻译句子A fly can walk up a wall.It can walk upside do

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问一个英语问题
看短文翻译句子
A fly can walk up a wall.It can walk upside down,too.You would fall.How does the fly do it?
A fly has six legs.It walks with three legs up and three legs down.Each leg has a little sticky pad(黏性的趾) on it,almost like a shoe.The pads stick to the wall.This is why the fly does not fall.
这么几句:
1.A fly can walk up a wall.It can walk upside doun,too.
2.It walks with three legs up and three legs down.
3.This is why the fly does not fall
问一个英语问题看短文翻译句子A fly can walk up a wall.It can walk upside do
1、苍蝇可以沿着墙往上爬,同样也能从上往下爬.
2、它爬行是三条腿朝上三条腿朝下交替着爬.
3、这就是为什么苍蝇不会掉下来的原因.