噪声 zàoshēng HSK7 noise Definitions Defs Origin Strokes Stroke Words Sentences Sents 噪声污染 zàoshēngwūrǎn noise pollution 射频噪声 shèpínzàoshēng radio frequency noise 气动噪声 qìdòngzàoshēng aerodynamic noise 电磁噪声 diàncízàoshēng electromagnetic noise
