One whose thoughts and feelings are directed toward oneself. 性格內向的人思想和感情都指向自我的人
A faint glow enveloping the high-field electrode in a corona discharge, often accompanied by streamers directed toward the low-field electrode. 電暈在電暈放電中在高壓電極出現的一種微弱光輝，常伴隨有朝向低壓電極的電流
滬公網(wǎng)安備 31011502000490號
電信業(yè)務(wù)許可證編號：滬B2-20190700
