thirty second operator的意思|示意
美 / /
英 / /
30秒操作员
thirty second operator的网络常见释义
秒钟计时员 ... 泳道计时员 lane timekeeper 30秒钟计时员 thirty second operator 电动表计时员 electric timekeeper ...
thirty second operator相关短语
1、 thirty- second operator 三十秒操作员
2、 Thirty second operator 30 秒计时员