Dynatron
n. 回射电子管, 介子\\n[电] 负特性管
🗣️ 情景例句
I haven't got anything to do now; I'm so bored.
我现在无事可做，感觉很无聊。
It is a small flock that has not a black sheep.
家家难免有败类。
It broke down at Ferngreen station and was taken off the line.'
它在芬格林车站出了故障而被取消了。”