的意思 barred signal

1. The train slowed down as it approached the barred signal.
当火车靠近封闭的信号时，它放慢了速度。

2. The conductor saw the barred signal and knew they would have to stop.
列车长看到了封闭的信号，知道他们必须停下来。

3. The engineer checked the tracks ahead for any signs of a barred signal.
工程师检查了前方的铁轨，看是否有封闭的信号。

4. The barred signal indicated that there was maintenance work being done on the tracks.
封闭的信号表明铁轨上正在进行维修工作。

5. The train was delayed due to a malfunctioning barred signal.
火车因封闭信号故障而延误。

6. Passengers were reassured when they saw the barred signal change to green.
当乘客看到封闭信号变成绿色时，他们感到放心。