niblick

例句：

1. 1. The old painting had several niblicks on it.
   这幅旧画上有几个小污点。
2. 2. He noticed a niblick on the wallpaper.
   他注意到墙纸上有一个小污点。
3. 3. The stain on the shirt was a niblick from the spilled drink.
   衬衫上的污渍是饮料溅出的一个小污点。