a·board
adverb, preposition/əˈbɔːd/
/əˈbɔːrd/
- on or onto a ship, plane, bus or train
在（船、飞机、公共汽车、火车等）上；上（船、飞机、公共汽车、火车等） - We went aboard.
我们上了船。 - He was already aboard the plane.
他已经登机了。 - The plane crashed, killing all 157 passengers aboard.
飞机坠毁，机上 157 名乘客全部遇难。 - All aboard! (= the bus, boat, etc. is leaving soon)
请大家上车（或船等）！（表示马上就要开了） - Welcome aboard! (= used to welcome passengers or a person joining a new organization, etc.)
欢迎各位乘客！；欢迎加盟（新组织等）！
Oxford Collocations DictionaryAboard is used with these verbs:- smuggle
Word Originlate Middle English: from a- ‘to, towards’ (expressing motion) + board, reinforced by Old French à bord. - We went aboard.