[ 'taimә ] 柯林斯星级 ★☆☆☆☆ BNC词频 12427 COCA词频 11074 n. 计时员, 计时器 [计] 计时器 n. a timepiece that measures a time interval and signals its end n. a regulator that activates or deactivates a mechanism at set times 复数: timers 英汉双解字典由 ECDICT 提供