n. someone whose employment involves carrying something
n. a self-propelled wheeled vehicle designed specifically to carry something
n. 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
n. a person or firm in the business of transporting people or goods or messages
n. 运送者, 邮递员, 带菌者
[计] 载波
1. The mail carrier delivers letters every morning.
邮递员每天早上送信。
2. She is a carrier of important information for the team.
她是团队的重要信息传播者。
3. He uses a backpack as a carrier for his books.
他用一个背包作为书籍的载体。