可以从含义和词性上来记abroad和aboard。abroad只作副词，中文含义为“在国外”、“到国外”、“在室外”、“到室外”、“户外”等；而aboard可作副词和介词，含义有“在船上”、“上飞机/火车/船”。
一、abroad的含义及用法介绍
abroad作为副词，意思为在国外;到国外;广为流传;在室外;到室外;户外。
例句：She worked abroad for a year.
她在国外工作了一年。
He was famous, both at home and abroad .
他享誉国内外。
There was news abroad that a change was coming.
盛传即将有一个变动。
I would love to go abroad this year, perhaps to the South of France.
我今年很想出国，可能是去法国南部。
There'll still be a feeling abroad that this change has to be recognised.
人们还会普遍觉得这项变革早晚得接受。
二、aboard的含义及用法介绍
1、作为介词时，意为在(船、飞机、公共汽车、火车等)上。
例句：She invited 750 people aboard the luxury yacht, the Savarona...
她邀请了750人乘坐豪华游艇“萨瓦罗纳”号。
Passengers were piped aboard ship at the start of the cruise.
游客在管乐迎宾曲中登船开始水上游。
It was his first taste of life aboard ship.
这是他第一次尝到船上生活的滋味。
You must deal with all the things in aboard.
在国外，所有的事情都必须有你自己处理。
2、作为副词时，意为上(船、飞机、公共汽车、火车等)。
例句：We went aboard.
我们上了船。
They said goodbye to him as he got aboard the train at Union Station.
当他在联合火车站登上火车之际，他们向他道别。
Ships with unfurled sails wait to take them aboard
船只扬起风帆，等待他们上船。
We must not take combustible goods aboard.
我们不可带易燃品上船[车]。
He checked their names off as they went aboard the plane.
在他们登上飞机时，他登记上了他们的姓名。
