发传单的人的英文：
leafleteer

A leaflet or primary division of a pinnately compound leaf.
(复叶的)羽片羽状复叶的小叶子或羽片部分

I have to draw an advertising leaflet for the new product.
我必须要为新产品画一张广告传单。

(botany; often used as a combining form) having leaflets (compound leaves) or a specified kind or number of leaflets.
（植物学；常用作构词成分）具有小叶（复叶）的或具有一定种类或数量的小叶的。

An example is the sensitive plant, whose leaflets progressively collapse, sometimes throughout the whole plant, once one leaflet is touched.
例如含羞草，当它的某片小叶被触碰时，叶状体逐渐皱缩，有时遍及整个植株。

An example is the sensitive plant( Mimosapudica), whose leaflets progressively collapse, sometimes throughout the whole plant, once one leaflet is touched.
例如含羞草（羞草属）当它的1个小叶被触碰时，叶状体逐渐皱缩，有时遍及整个植株。