词汇	人工瀑布
释义	人工瀑布医artificial waterfall
随便看	permanent dynamic loudspeaker permanent dynamic speaker permanent dynamic storage permanente permanent earnings permanent earth Permanent Earth Station Permanent easement permanent echo Permanent echo permanent echo cancellation permanent echoes permanented permanent education permanent effect of radiation permanent effects permanent effects of radiation Permanente Kommission permanent electric dipole moment of molecule permanent electric dipoles permanent electrode permanent electronic dipole permanent elongation permanent elongation stress Permanent Embarkation Team