Heptode
n. 七极真空管\\n[电] 七极管
🗣️ 情景例句
In what subject did you get the highest marks?
你哪门科目得分最高？
Will you iron out the wrinkles in this skirt?
可以帮我把这件裙子烫平吗？
Yes, I'll be free. I'd like to go.
是的，有空。我想去。