a speck of造句

Billy leaned forward and brushed a speck of dust off his shoes.
比利俯身擦掉了鞋子上的一丝灰尘。

I've got a speck of dirt on my shirt.
我的衬衫上有一点污垢.

Not a speck of cloud is to be seen.
看不到一星星云丝.

• #a speck of