Phanotron
[电] 热阴极含气整流管
🗣️ 情景例句
Scared? Why?
紧张？ 为什么？
It's not up to his usual standard.
这次没有达到他平时的水平。
Dressed in dark glasses and old clothes, they had taken special precautions so that no one should recognize them.
他们戴着墨镜，穿着旧衣裳，特别小心以防别人认出他们。