soilings

The soiling of the white tablecloth made the waiter unhappy.

用法提示：此处 soiling 为名词，指“弄脏”这一行为，作句子的主语。

Parents often worry about the soiling of their children's clothes during meals.

用法提示：这里 soiling 是名词，作介词 about 的宾语，表示弄脏的行为。

Regular cleaning can prevent the soiling of the bathroom floor.

用法提示：此处 soiling 为名词，作 prevent 的宾语，表示弄脏这件事。