smoking passengers.

• 吸烟的旅客们

smoking passengers.的用法和样例：

例句

1. Passengers should board the train now.
   旅客们现在该上火车了。
2. Passengers must check in at the airport an hour before the plane leaves.
   旅客们必须在飞机起飞前一小时到机场办理登机手续。