Klystrons
(klystron 的复数) n. 调速管\\n[化] 速调管
🗣️ 情景例句
You have to appreciate the work that has gone into this piece of art.
你不得不佩服他为完成这件作品所倾注的心血。
Live to learn and learn to live.
生而学之，学而生之。
It's a part-time job, so I only work evenings.
这是份兼职，因此我只是晚间上班。