Gastriode
充气三极管, 闸流管
🗣️ 情景例句
Dr. Lee's office.
李医生诊所。
Stop in the name of the law.
以法律的名义命令停下。
Because they destroy so many insects, and insects include some of the greatest enemies of the human race.
因为它们能消灭那么多的昆虫，其中包括一些人类的大敌，