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
A murder occurred last night in this very district.
就在这个区昨晚发生了一起凶杀案。
How old do you have to be to vote in the national elections?
你要多大才能在大选中投票？
It is being repaired by a friend of my father's.
父亲的一个朋友正在修理这件乐器。