aboard
/əˈbɔrd/
on or into a ship, aircraft, train, or other vehicle
中文释义:在(船、火车、飞机等)上
All passengers are required to be aboard the train ten minutes before departure.
所有乘客必须在发车前十分钟上火车。
The crew welcomed the guests aboard the cruise ship.
船员欢迎客人登上邮轮。