a shoe 一只鞋子
a pair of shoes一双鞋子
a shoe, a piece of shoe
a shoe 或 one of one's shoes
When I saw a frog in one of my shoes I was knocked for six.
当我看见一只青蛙竟在我的一只鞋里时,我非常吃惊。
the amount that a shoe will hold.
一只鞋所能容纳的量。
a shoe, a piece of shoes
a shoe, one shoe