diurnal pollution
英 [daɪˈɜːnl pəˈluːʃn]
美 [daɪˈɜːrnl pəˈluːʃn]
网络 昼遗; 觉醒时遗精
双语例句
- The mountain and valley breeze is weak at cloudy days so that the diurnal variation of boundary layer plays a major role in the vertical transport of pollution.
云雾天山谷风的作用不明显，边界层高度的日变化对污染物的垂直输送起主要作用。