Zf
abbr. 零频率（Zero Frequency）
🗣️ 情景例句
If I don't accept her offer,
假如我不接受她这个工作机会，
What kind of climate do you have?Is it humid?
你们那里的天气怎么样？它是潮湿的吗？
Sure enough, a policeman arrived on the scene and politely asked the workmen to go away.
果然，警察来了，不礼貌地请工人离开此地；