Spitballs
(spitball 的复数) n. 纸团, 唾沫球
🗣️ 情景例句
As a matter of fact,
事实上，
I'm not familiar with that part. Let me call someone who is more knowledgeable.
那部分我不熟悉，让我找专业人士来说明。
It is possible that there is a definite relation between these paintings and the markings that sometimes accompany them.
有时，这种图画与墙壁上的刻痕共存，它们之间可能有一定的联系。