形容詞 recreational:

1. of or relating to recreation
2. engaged in as a pastime
   同義詞：amateur, unpaid

1. He was so absorbed in the research that he had mot time left for recreational activities.
   他專心致力于研究工作，連文娛活動的時間都沒有了。
2. A corridor of undeveloped land, as along a river or between urban centers, that is reserved for recreational use or environmental preservation.
   綠色走廊沿河或在兩個城市中心區(qū)之間的由未開發(fā)土地形成的走廊，為市民休閑娛樂或環(huán)境保護而保留
3. A piece of land with few or no buildings within or adjoining a town, maintained for recreational and ornamental purposes.
   公園城鎮(zhèn)內(nèi)部或鄰近區(qū)域的一塊留作娛樂或美化之用的有很少或沒有建筑的土地
4. There are few recreational facilities in our school.
   我們學校里幾乎沒有什么娛樂設施。

rec.re.a.tion.al

adj.（形容詞）
Of or relating to recreation:
消遣的：屬于或與娛樂有關的：
例句：
recreational swimming.
消遣性游泳

Of or relating to the occasional use, asserted not to be addictive, of narcotics:
游戲性吸毒的：屬于或與偶然地而不是癮君子性質(zhì)地吸毒有關的：
例句：
.You can`t accept recreational drug use and expect to control the drug problem.(Lacy Thornburg)
.你不可能一方面接受游戲性偶然使用毒品而另一方面期待著控制毒品問題.(拉西·桑伯格)

【引伸】
rec.rea.tionally
adv.（副詞）