spitball
noun /ˈspɪtbɔːl/
/ˈspɪtbɔːl/
- a piece of paper that has been inside somebody's mouth and then made into a ball to throw at somebody
吐痰球：一张纸已经塞在某人的嘴里，然后做成球扔给某人 - Some kids were throwing spitballs at one another in class.
一些孩子在课堂上互相扔纸团。
- Some kids were throwing spitballs at one another in class.