It's a portmanteau, or combination of two words -work and vacation.

这是个复合词，或者两个词的组合：工作和假期。

A portmanteau is a word made from shortening and combining two other words.

合成词是由另外两个词的缩写和重组而形成的词。

And you are absolutely correct. The answer is portmanteau words. Congratulations if you knew that.

你完全正确。答案是合成词。恭喜你早就知道答案。

In addition, many of the words added to the OED in recent years are portmanteaus.

此外，近年来《牛津英语词典》收录的许多词是合成词。

New words formed by putting together parts of existing words are known as blends or portmanteau words.

将现有的两个词放一起组成的词被称为混合词或者组合词。

He shifted the position of his two portmanteaus, or placed them on the seat as if he was getting ready to leave.

不停挪动自己两只旅行箱的位置，或干脆将其放在座位上，似乎马上他就会离开。

There was a small portmanteau in the room, and this he pulled out and began to strap.

房间里只有一只小小的旅行箱，他就把它拉了出来，忙着系箱上的皮带。

And in a clever play on the portmanteau word " Brexit" , witty commentators quickly came up the the even wittier " Megxit" and we've been using it ever since.

根据关于" 脱欧" 这个词巧妙的组成，诙谐的评论员很快就提了一个更为诙谐的词" 梅根脱离王室" ，从那以后我们就一直在用这个词。

And that's where we get the verb 'to smirt' - a portmanteau (a blend) of the words 'smoke' and 'flirt' - a kind of social pastime for smokers.

这样就产生了动词Smirt——混合词（portmanteau/blend），来源词smoke和flirt（抽烟的时候利用借打火机的机会跟异性搭讪）——这有点像是抽烟者之间的一种人际交往。

The government initially tried to fight the " smombie" (a portmanteau of " smartphone" and " zombie" ) epidemic by distributing hundreds of stickers around cities imploring people to " be safe" and look up.

“低头族”一词“smombie”是由“smartphone智能手机”和“zombie僵尸”合成，这种人越来越多，政府最初试图通过在城市周围分发数百张贴纸呼吁人们注意安全，抬头看路。