signal

/ˈsɪɡnəl/ 动词 C1

中文：发信号、示意、标志着

To indicate; to convey or communicate by a signal. · I signalled my acquiescence with a nod.· He whistled to signal that we should stop.
To communicate with (a person or system) by a signal. (transitive) · Seeing the flames, he ran to the control room and signalled headquarters.

He/she/it signals · 过去式 signaled · 过去分词 signaled · -ing形式 signaling

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动词形式

Now, you rascal, do you deny that it is a signal?

The light is a signal to him that food is ready for him, and his light out yonder is to show the spot to which to bring it.”

“Because she just signaled to me from her window.

We have arranged a way to signal with our candles and cardboard.

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