aboard和board和abroad区别的用法

aboard http://www.59edu.com/fangfa/UploadFiles_8977/200712/20071202013444502.gif   prep. 1）在（车、船等）上 2）上（船、飞机、车等）ad. 上船（车、飞机等）

 

 

abroad http://www.59edu.com/fangfa/UploadFiles_8977/200712/20071202013444502.gif adv.

搭配辨析set off 与setout，set about
．polonium is used to set off a nuclear bomb．钋用来引爆核弹。
(1)本句中set off 意思是'使……爆炸'，及物性短浯动词：e．g．
They set off the fireworks as soon as it got dark．天一黑他们就放焰火(烟花)。
(2)set off 还可指'出发，动身'，不及物性短语动词。e．g．
They set off in search of the lost child．他们出发去寻找那个丢失的孩子。
(3)set off 还可意为'引起，触发'，及物性短语动词。e．g．
①That strike set off a series of strikes throughout the country．那次罢工引发了全国一系列的罢工。
②A letter from home set off an attack of homesickness．一封家书触发了他的思乡病的发作。
(4)set off 还可指'使某人突然产生某种活动'，其后往往接v.-ing，即set s.b．off doing sth．e.g.
Whatever you say will set her off crying.不管你说什么都会使她哭泣。
(5)set off还可指'衬托，使更明显'。e．g．
This gold frame sets off your paintin