Plitron
[电] 高度真空管
🗣️ 情景例句
I feel lucky tonight.
今晚我觉得很幸运。
I don't think price is a problem. The most important thing is that how many you can supply.
我认为价格不成问题。最重要的是你方能供货多少。
She hired a car by the hour.
她租了一辆按钟点计费的汽车。