Hdf
abbr. high-frequency direction finder 高频测向器
🗣️ 情景例句
Do you come here for the sports game or sightseeing?
您来这儿是参加运动会，还是观光的？
Affairs that are done by due degrees are soon ended.
事情要安步就班地做，就会很快地做完。
I hope to conclude some business with you.
我希望能与贵公司建立贸易关系。