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
It's a great party, isn't it?
这个派对很不错，是吗？
What's the area of the Congo in square miles?
在平方英里内刚果的范围是什么？
I'm not sure. It was difficult to see. Wei Hua and Sun Meiying were both neck and neck.
我不敢肯定。很难说。魏华和孙美英不分上下。