Radiospectrum
射频频谱
🗣️ 情景例句
First you must find out the clause of the quality problems and furnish sufficient evidence.
首先你的查查有关质量问题的条款，并提供足够的证据。
0.It's better than nothing.
总比什么都没有好。
They both started to pick them up again.
她们俩开始把散落的糖捡起来。