aboard

副词 aboard:

1. on a ship, train, plane or other vehicle
   同义词：onboard
2. on first or second or third base
   同义词：on base
3. side by side
   同义词：alongside
4. part of a group

1. We travelled aboard the same flight.
   我们搭乘同一班机。
2. All aboard!
   请上船
3. Welcome aboard!
   请上船(车，飞机)
4. It's time to go aboard.
   该上船/飞机/车了。