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signal

B1 verb

signal /ˈsɪɡnəl/ nghĩa là ra hiệu, báo hiệu

Các nghĩa

  1. ra hiệu, báo hiệu

    To indicate; to convey or communicate by a signal.

    ambitransitive

    I signalled my acquiescence with a nod.

    He whistled to signal that we should stop.

    My arms wheeled frantically in the air as I tried to signal for help.

  2. liên lạc bằng tín hiệu

    To communicate with (a person or system) by a signal.

    transitive

    Seeing the flames, he ran to the control room and signalled headquarters.

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