Phanotron
[电] 热阴极含气整流管
🗣️ 情景例句
This is my father, Dr. Philip Stewart ...
这是我父亲 Philip Stewart医生……
Is this within the tax-free limit?
这个在免税限额内吗？
Is that hard? I mean, the jazz violin?
弹奏难吗？我是指拉爵士小提琴。