Hf
[医] 铃(72号元素)
📖 牛津释义
HF
abbr
缩写 = (radio 无) high frequency. Cf 参看 LF.
🗣️ 情景例句
I know.
我知道。
The restaurant was full, so we decided to go to another place.
那餐厅客满了，我们决定到另一个地方去。
As long ago as the fourteenth century,
早在14世纪，