coin/kɔɪn/

n. a small round piece of metal which is used as money

n. [C; U] 硬币：a pound coin面值一镑的硬币

◇a ten-cent coin 一角币

◇a gold coin 金币

◇notes and coin 纸币和硬币

音组-oin/-ɔɪn/

coin; join