Radiospectrum
射频频谱
🗣️ 情景例句
I don't know about that.
我表示怀疑。
Janet winked at her boy friend.
珍妮向男朋友眨眨眼。
It did not, however, remain within the confines of his estate.
然而，这种疾病并未被局限在他的庄园内，