Radiospectrum
射频频谱
🗣️ 情景例句
And it is in fact more advantageous than others.
而且比其他人的价格都优惠得多。
I told him to come in and rest for a while.
我告诉他进来休息一下。
Invariably the background was the same: dirt and poverty, and very uncomfortable.
肮脏、贫穷，极其不舒适。