Spiratron
旋束管(离心静电聚焦行波管), 径向聚束行波管, 螺旋管
🗣️ 情景例句
In what aisle can I find the ...?
我在哪排能找到……？
It seems what he said is true.
看起来他说的好像是真的。
Don't speak to me now, Kate. I must go. I'm late !
凯特，不要和我说了，我必须走了，要迟到了。