*coin¹/kɔɪn; kɔɪn/ n 1 [C] a piece of money made of metal 硬币: He collects foreign coins. 他收集外国硬币。 2 toss/flip a coin to decide something by throwing a coin into the air and guessing which side will show when it falls 拋硬币作决定: Let's flip a coin to see who goes first. 我们来拋硬币决定谁先走吧。