Cascade-amplifier klystron
[电] 级联放大调速管
🧩 词语组成解析
n. 调速管\\n[化] 速调管
🗣️ 情景例句
when the dog scratched on the front door.
当那狗在抓前门时。
Did you go to the movies last night?
你昨晚去看电影了吗？
Now that a tunnel ahs been built through the mountains, the Pass is less dangerous,
如今由于山里开挖了隧道，翻越山口已不那么危险了。