a whistle at a factory that is sounded to announce times for starting or stopping work
factory whistle 30秒了解
- (noun) a whistle at a factory that is sounded to announce times for starting or stopping work
Meanings
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1
noun a whistle at a factory that is sounded to announce times for starting or stopping work
Summary
a whistle at a factory that is sounded to announce times for starting or stopping work
- (noun) a whistle at a factory that is sounded to announce times for starting or stopping work
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