Hdf
abbr. high-frequency direction finder 高频测向器
🗣️ 情景例句
You are a terrific instructor, Jack.
你真是个了不起的教练 Jack。
Children are the parents's riches.
子女是父母之财富。
'It's a strange mixture I make myself. '
“这是一种我自己配制的奇特的混合物。”