单词	積雪
释义	積雪 jī xuěsnow；snow cover；snow mantle简体积雪
随便看	periodic tridiagonal matrix periodic trigonometric function periodic twinning periodicty of function periodic type antenna periodic typewriter periodic undulation periodic undulations periodic unit amounts periodic unsteady flow Periodic-Unsteady Injection periodic unsteady state heat conduction Periodic updating of compensation rate periodic vagal stimulation periodic variable periodic variation periodic variation of corona periodic variations periodic velocity disturbance periodic verification periodic vibration periodic vibration signal periodic volcano periodic voltage periodic vomiting