词汇	acoustic speed
释义	acoustic speed 音速
随便看	secondary lineation secondary-line injury secondary line of direction secondary liner secondary lines of direction secondary line switch secondary line switchboard secondary lingual bar secondary lingual bar major connector secondary lining secondary lining concrete secondary lining detection secondary linings of tunnel secondary link secondary linkage secondary link controller secondary link station Secondary Lip and Nasal Deformities secondary Liquidambarformosana forest secondary liquidity secondary listing secondary literation secondary literature secondary lithium cells and batteries secondary lithium/polymer battery