Monotron
莫诺速调管, 直越式速调管, 无反射极速调管
🗣️ 情景例句
worrying about him.
为他操心。
When did you call?
你什么时候打电话来的？
Rescue workers are therefore drilling a hole on the north side of the mine.
因此，营救人员在矿井的北侧钻了一个洞。