Hdf
abbr. high-frequency direction finder 高频测向器
🗣️ 情景例句
you're going to give me the answer to that question.
是要给我这个问题的答案。
Did you see Mr. Jones yesterday?
你昨天看见琼斯先生了吗？
The grass is moist early in the morning.
清晨的草地湿漉漉的。