Bicathode
[计] 双阴的
🗣️ 情景例句
What can I do for you?
我能帮你什么忙？
It's cloudy this afternoon.
今天下午云很多。
Modern machines can make the copy bigger or smaller, lighter or darker and copy onto both sides of the paper.
代机器可以放大、缩小、制作较亮的或较暗的复印件，也可以在纸的两面复印。