Hdf
abbr. high-frequency direction finder 高频测向器
🗣️ 情景例句
You can deposit the money into my bank account.
你可以把钱存进我的银行账户。
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。
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。