Monotron
莫诺速调管, 直越式速调管, 无反射极速调管
🗣️ 情景例句
Not just for young people.
不仅仅对年轻人来说是这样。
The whole thing was held up about half an hour.
整个事情耽搁了约半小时。
She went into my room and got a big surprise when she saw all those books on the floor.
她走进我的房间，当她看到地板上的那些书时，大吃一惊。