Estiatron
[电] 静电聚焦行进波管的特别形
🗣️ 情景例句
She won the first place in a speech contest.
她在演讲比赛中获得很第一名。
I've heard so much about you!
久仰大名！
A young man and a young woman were sitting behind me.
一青年男子与一青年女子坐在我的身后，