Hdf
abbr. high-frequency direction finder 高频测向器
🗣️ 情景例句
Sure. Would you please sign your name on the back, sir, with your passport number?
每问题。先生，请您在支票背后签上名字和护照号码。
What a coincidence!
真巧！
Do you have an account with us?
你在我们公司有没有记帐户头？