n.[C]

1. 领袖，领导者，指挥者
   He is a decisive leader.

   他是一个有决断力的领袖。

2. 领先的人（或事物）[（+of/in）]
   Our community is a leader in the conservation of wildlife.

   我们社区在野生动物保护方面走在前头。

3. 【英】（管弦乐团的）首席小提琴手
4. 【美】乐队指挥
5. 【英】（报纸的）社论
6. 【植】嫩枝
7. 【英】首席律师
8. 【美】（吸引顾客的）廉价商品

n.

1. the person who leads or commands a group, organization, or country.
   ▸ (also Leader of the House) Brit. a member of the government officially responsible for initiating business in Parliament.
2. the principal player in a music group.
3. Brit. a leading article in a newspaper.
4. a short strip of non-functioning material at each end of a reel of film or recording tape for connection to the spool.
5. a length of filament attached to the end of a fishing line to carry the hook or fly.
6. a shoot of a plant at the apex of a stem or main branch.
7. (leaders) Printing  a series of dots or dashes across the page to guide the eye, especially in tabulated material.