Definition

Examples

• 前面有一个信号灯，请停车等待。
  Qiánmiàn yǒu yí gè xìn hào dēng, qǐng tíng chē děngdài.
  There is a traffic light ahead, please stop and wait.
• 火车站的信号灯显示绿色，火车可以进站了。
  Huǒchēzhàn de xìn hào dēng xiǎnshì lǜsè, huǒchē kěyǐ jìn zhàn le.
  The signal light at the railway station shows green; the train can enter the station now.
• 他等了很长时间，信号灯终于变了。
  Tā děng le hěn cháng shíjiān, xìn hào dēng zhōngyú biàn le.
  He waited for a long time, and the traffic light finally changed.