| 单词 | 降低噪声 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔aerodynamics〕Aerodynamics have been improved for lower noise and better fuel economy.为降低噪声和油耗, 已对气动性能加以改进。外研社新世纪〔muffle〕They tried to muffle the noise.他们尽力降低噪声。韦氏高阶 |
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