bus和duck读音一样

例句

1、

The cat was now within striking distance of the duck.

此时，猫就在可攻击鸭子的距离内。

2、

Ducks were swimming around on the river.

鸭子在河面上游来游去。

3、

We ducked down behind the wall so they wouldn't see us.

我们弓身躲在墙后不让他们看见。