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Semaphore
01
信号旗, 信号系统
a system of signaling using flags or other devices to communicate messages over a long distance
Example
Before radios, they relied on semaphore to send urgent messages across the sea.
She was able to understand the semaphore signals from across the field.
to semaphore
01
以信号传达, 发送信号
convey by semaphore, of information
02
用信号器发送信号, 通过信号发送
send signals by or as if by semaphore
