Steuerspannung
激励电压
🗣️ 情景例句
Do you hear something?
你听到什么了吗？
A scientist has come up with a good idea. That's it!
科学家想起了一个好创意。就是这个！
No one noticed the boy as he crept off.
当男孩从船里爬出来时，谁也没有发现他。