Hdf
abbr. high-frequency direction finder 高频测向器
🗣️ 情景例句
Talking to the loan officer at the bank.
与银行的贷款负责人谈。
If you trust before you try,you may repent before you die.
不经考验就依赖，不到瞑目便的悔。
Thank you for everything.
感谢你做的一切。