Radioshielding
射频屏蔽, 高频屏蔽
🗣️ 情景例句
Oh, don't look so sad.
噢， 别显得那么无精打采。
I'm always confused with s and th.
我常把s和th搞混。
the young man has a glorious future before him and the old one has a splendid future behind him:
青年人有光辉灿烂的前景，而老年人的辉煌已成为过去。