| 单词 | aboard | 
| 释义 |  adverb |  preposition aboardaboard1 /əˈbɔrd/ ●●○ adverb 1on or onto a ship, airplane, or train:  The plane crashed, killing all 200 people aboard. The boat swayed as he stepped aboard. Reporters were not allowed to go aboard.2All aboard! spoken used to tell passengers of a ship, bus, or train that they must get on because it will leave soon adverb |  preposition aboardaboard2 ●●○ preposition  on or onto a ship, airplane, or train:  Many passengers were already aboard the ship. | 
	
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