Radiospectrography
无线电频谱学
🗣️ 情景例句
I 'm head over heels in love with you.
我为你神魂颠倒。
Have you eaten any dessert?
你吃甜点吗？
It is six o'clock.In the evening, the children usually do their homework, but this evening, they are not doing their homework.
现在是6点钟。晚上，孩子们通常是做作业，而今天晚上，他们没做企业。