Ophitron
小型微波发生器, 微波振荡管
🗣️ 情景例句
Hello, Susan.
喂 Susan。
How many of these are you going to lend her?
你要借多少给她？
There was a note of triumph in my voice when I told him that it was there in black and white.
我带着一种胜利者的调子告诉他那趟车白纸黑字。明明白白印在时刻表上。