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
It's bound to happen sooner or later.
这件事迟早要发生。
What is he doing?
他做什么事？
you're likely to get five different answers, --
你很可能得到5种不同的答复，