alternately dark and bright rings的意思|示意
美 / /
英 / /
交替暗和亮的戒指
alternately dark and bright rings的网络常见释义
明暗相间的环 ... alternate-line scanning 隔行扫瞄 alternately dark and bright rings 明暗相间的环 alternating current (a.c.)交流电 ...