Radiotron
真空管, 三极电子管
🗣️ 情景例句
Well, Robbie told me when he gave me this.
嗯，当Robbie送给我这个的时候他告诉了我。
I still need three more credits in Psych; maybe I'll take Ed Psych this term.
心理学我还需要三个学分。或许我在本学期修教育心理学。
Would you care for a drink?
你要不要来点喝的？