Fifth columnist
n. 第五纵队队员, 间谍
🧩 词语组成解析
columnist
['kɑləmnɪst]
n. 专栏作家;
🗣️ 情景例句
Where are you going during Summer vacation?
暑假你打算去哪儿？
No. I've been visiting relatives.
没有，我走亲戚去了。
After reading an article entitled 'Cigarette Smoking and Your Health' I lit a cigarette to calm my nerves.
读完一篇题为《吸烟与健康》的文章之后，我点上了一枝香烟，来镇定一下自己紧张的神经。