stop·watch 
(stŏpwŏch′)
(stŏpwŏch′)n.
A watch that can be instantly started and stopped by pushing a button and used to measure an exact duration of time.
stopwatch
| 单词 | stopwatch |
| 释义 | stop·watch (stŏpwŏch′)n. A watch that can be instantly started and stopped by pushing a button and used to measure an exact duration of time. stopwatch |
| 随便看 |
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