名词

1. 传单；小册子
A leaflet is a little book or a piece of paper containing information about a particular subject.

2. 在（某处）散发传单（或小册子）
If you leaflet a place, you distribute leaflets there, for example by handing them to people, or by putting them through letter boxes.

1. a thin triangular flap of a heart valve

Synonym: cusp

2. a small book usually having a paper cover

Synonym: bookletbrochurefolderpamphlet

3. part of a compound leaf