Kilotron
整流管
🗣️ 情景例句
It would be a great business if you could do that.
假如你能办到那样的话， 可是一笔大生意。
Our own actions are our security, not others' judgements.
我们的行为是自己的保证而不是别人的鉴定。
They can't pick up the small pieces with their fingers.
他们用手指拿不起小零件。