警号 (jǐng hào) — warning signal

定義

例文

• 听到警号后，大家立刻撤离了建筑物。
  Tīng dào jǐng hào hòu, dà jiā lì kè chè lí le jiàn zhù wù.
  After hearing the warning signal, everyone immediately evacuated the building.
• 这个装置会在危险时发出警号。
  Zhè ge zhuāng zhì huì zài wēi xiǎn shí fā chū jǐng hào.
  This device will emit a warning signal when there is danger.
• 消防演习中，警号一响我们就开始行动。
  Xiāo fáng yǎn xí zhōng, jǐng hào yì xiǎng wǒ men jiù kāi shǐ xíng dòng.
  During the fire drill, we started acting as soon as the warning signal sounded.