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go aboard
go aboard 表示‘上（船、飞机等）’的动作。
We went aboard the ship at noon.
我们中午上了船。
在（船、火车等）上；上（船、火车等）
先理解核心含义，再看它在真实句子里的用法。
在（船、火车等）上；上（船、火车等）
On or into a ship, boat, or railway car.
We went aboard the ship at noon.
我们中午上了船。
在船上；进入或在船内；因此,进入或在火车车厢内
On board; into or within a ship or boat; hence, into or within a railway car.
在或骑上马、骆驼等
On or onto a horse, a camel, etc.
在垒上
On base.
加入团队、团体或公司
Into a team, group, or company.
We climbed aboard the train just before it departed.
我们在火车出发前上了车。
All passengers are now aboard the cruise ship.
所有乘客现在都在游轮上。
He helped the elderly woman get aboard the bus.
他帮助那位老妇人上了公交车。
go aboard 表示‘上（船、飞机等）’的动作。
We went aboard the ship at noon.
我们中午上了船。
be aboard 表示‘在（交通工具）上’的状态。
All passengers are now aboard the plane.
所有乘客现在都在飞机上。
come/climb aboard 用于邀请或催促上车/船等。
Come aboard, the train is about to leave.
快上来，火车就要开了。
Not this
He went abroad the plane.
Use this
He went aboard the plane.
"abroad" 表示“在国外”，与表示“在（交通工具）上”的 "aboard" 拼写相近但含义不同。应使用 "aboard" 表达乘坐飞机。
Not this
He is on aboard the ship.
Use this
He is aboard the ship.
"aboard" 本身已包含“在船上”的含义，无需再加介词 "on"。直接使用 "aboard" 即可。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
上船/上车/上飞机
Please come aboard the ship before departure.
请在出发前上船。
登上（船/飞机/火车等）
We went aboard the plane at 3 pm.
我们下午3点登上了飞机。
上（车/船/飞机等）
Hurry up and get aboard the train!
快点上火车！
在（船/飞机/火车等）上
The passengers are all aboard the ferry.
所有乘客都在渡轮上。
欢迎登机/上船/上车
The captain said, 'Welcome aboard!'
船长说：“欢迎登船！”
全体上船/上车/登机（催促或通知）
All aboard! The train is leaving.
全体上车！火车要开了。
请上车/船/飞机（出发前通知）
The conductor shouted, 'All aboard!' and the train departed.
列车员喊道：“请上车！”火车随即出发。
欢迎加入（团队或组织）
Welcome aboard! We're glad to have you on the team.
欢迎加入！很高兴你能成为团队一员。
置身于轻松获利的境况
After getting the lucrative contract, he felt he was aboard the gravy train.
拿到那份利润丰厚的合同后，他觉得自己踏上了轻松致富之路。
请上车！
The conductor shouted 'All aboard!' as the train prepared to depart.
火车准备出发时，列车员喊道‘请上车！’
上船吧，我们期待你的到来。
She stepped aboard the cruise ship with excitement.
她兴奋地登上了游轮。
Use aboard naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象你站在一块木板（a board）上，木板载着你在海上航行，即“在船上”。
通常用于描述乘坐或登上交通工具，属于中性语体，在旅行、交通等场景中常见。
置于动词后或句末，表示'在（船、飞机、火车等）上'或'上（船等）'
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.