Intelligence agent
[经] 情报员
🧩 词语组成解析
🗣️ 情景例句
It was not until yesterday that I noticed it.
我一直到昨天才注意到它。
Opportunity only knocks once.
机不可失，时不再来。
The man who had fixed up the air-line was also questioned.
安装供气管的那位工人也被提问。