您要查找的是不是:
- 空empty
- 清空empty
- 空回backlash
- 空的vacant
- 秒钟second clock
- 每秒per second
- 盘空circle or whirl in the air
- 纳秒ns
- 空出vacate
- 空载idle load
- 钟摆摆动计秒。A pendulum vibrates seconds.
- 每秒钟per sec.
- 占空比dutyfactor
- 飞秒femtosecond
- 空档neutral position
- 卖空oversell
- 皮秒picosecond
- 空物empty
- 这名游泳者的成绩被测定为五十点五零秒。The swimmer was timed at 50.50 sec.
- 排空emptying