all aboard
该上船(或飞机、火车、公共汽车等)啦used for telling passengers that they need to get on a ship, an aircraft, a train, or a bus, because it will be leaving soon
〔说明〕 本短语用于提醒旅客。
The boat is ready to leave. All aboard! 要开船了,请各位上船！
The train's about to leave. All aboard! 火车马上就要开了,全体上车！
The conductor says “All aboard!” before the train leaves the station. 在火车出站以前,列车员说“请都上车！”。
We heard the announcement “All aboard!” and all we got on the train.听到广播说“请各位乘客上车！”,我们都上了火车。
welcome aboard
欢迎乘坐(或欢迎加盟)used as a greeting to passengers or to a person joining a new organization, etc.
〔说明〕 本短语welcome和aboard之间可加物主代词或宾格人称代词表示aboard的主体。
“Welcome aboard！” said the stewardess. 空中小姐说:“欢迎各位乘坐本次航班！”
Welcome aboard the flight to Washington D.C.! 欢迎搭乘本次飞往华盛顿特区的班机！
The flight attendant welcome us aboard (the plane).空中小姐欢迎我们上飞机。
The office manager welcomed his aboard. 办公室主管欢迎他来参加工作。
