Cathetron
[电]外控式三极汞气整流管
🗣️ 情景例句
You've really been keeping an eye on quality.
你们的确在质量上下了功夫!
Truth will conquer.
真理必胜。
Do me the favor to put on this shirt, and this suit.
请赏个脸，把这件衬衣穿上，还有这套衣服。