词汇	nitrogen sourees
释义	nitrogen sourees 氮源
随便看	loudness balance phenomenon loudness balance test loudness balancing test loudness compensation loudness concentrator switching selector loudness contour loudness contours loudness contour selector loudness-contour selector loudness control loudly loudly and abundantly loudly applaud loudly cheering and chanting troops loudly trumpet the praises of loud man loudmouthed loud-mouthed loudmouthedness loudness difference limen loudness directivity index loudness discomfort level loudness discomfort level, LDL loudness discrimination loudness efficiency factor