Klystrons
(klystron 的复数) n. 调速管\\n[化] 速调管
🗣️ 情景例句
But it's not going to be easy.
不过这事可不容易。
Flowers make no difference to a room.
一个房间里有没有鲜花并没有很大的差别。
I don't care where we go as long as we don't have to stand in line.
不管去哪里，只要不用站着排队就行。