Vacuum tube characteristics
[电] 真空管特性
🧩 词语组成解析
n. 特性, 特征；特质；特色（characteristic的复数）
🗣️ 情景例句
If you want my advice, I don't think you should go.
如果你想听我的建议，我认为你不应该去。
I tried to call Mr. Cooper,but the line was busy.
我试着呼叫库珀先生，但是线老是忙。
I looked at the map and then at the millimeter.
我看了看地图，又查了一下里程表。