Bitermitron
双端管(M型非重 入返波正交场放大管)
🗣️ 情景例句
You must be hungry by now.
你现在一定饿了。
I asked him to do it for me, but he wouldn't.
我请他帮我做，但是他不肯。
He did not marry again and I was brought up without a woman's care;
父亲没有再娶，因此，我在没有母亲的环境里长大成人。