1.（有帽舌的）软帽，便帽；（紧盖住头部、作某种用途的）帽子；制服帽
2.（对物件起保护作用的）罩，盖，帽
3.（尤指玩具枪的）火药纸，火药帽
4.（金额的）最高限度
5.（妇女避孕用的）子宫帽
6. 奶瓶盖子
及物动词：
1. 胜过，超越，盖过
2.【英】挑选……进入国家运动队
3. 给（牙齿）上釉
4.【英】（尤指地方政府）对（收费或开支）规定限度
词形变化
- 时态 capped，capped，capping，caps
- 这两个名词均表示“帽子”之意。
cap指无边的便帽，呀表示职业的帽子，如运动帽、军帽等。
hat指有边的帽子，尤指礼帽。
- restrict the number or amount of
- an upper limit on what is allowed
- a fruiting structure resembling an umbrella that forms the top of a stalked fleshy fungus such as a mushroom
- dental appliance consisting of an artificial crown for a tooth
- a tight-fitting headdress
- a top (as for a bottle)
- something serving as a cover or protection
- lie at the top of
- the upper part of a column that supports the entablature
- a mechanical or electrical explosive device or a small amount of explosive; can be used to initiate the reaction of a disrupting explosive