Monotron
莫诺速调管, 直越式速调管, 无反射极速调管
🗣️ 情景例句
No. This is my first visit.
没有。这是第一次。
A bad conscience is a snake in one's heart.
做贼心虚。
He had to choose between death and dishonor.
他不得不在死亡和耻辱之间选择。