可数名词：

1.运送某物的人或物

2.运货人；货运公司；客运公司

3.（自行车等的）行李架

4.带菌者（可传染疾病而本身不受感染的人或动物）；传染病的媒介

5.[aircraft-carrier]航空母舰

6.[carrier bag]（装载所购商品的）纸袋或塑料袋

英语解释

a man who delivers the mail

a boy who delivers newspapers

a rack attached to a vehicle; for carrying luggage or skis or the like

a person or firm in the business of transporting people or goods or messages

a large warship that carries planes and has a long flat deck for takeoffs and landings

a radio wave that can be modulated in order to transmit a signal

an inactive substance that is a vehicle for a radioactive tracer of the same substance and that assists in its recovery after some chemical reaction

(medicine) a person (or animal) who has some pathogen to which he is immune but who can pass it on to others

someone whose employment involves carrying something

a self-propelled wheeled vehicle designed specifically to carry something

(genetics) an organism that possesses a recessive gene whose effect is masked by a dominant allele; the associated trait is not apparent but can be passed on to offspring