Heptode
n. 七极真空管\\n[电] 七极管
🗣️ 情景例句
Would you please try to keep quiet at this hour?
这么晚了，你能不能尽量保持安静。
Hope is life and life is hope.
希望才有人生，人生要有希望。
Yes, our market analysis tells us our prime user will be between 40 and 60.
好的，我们的市场分析告诉我们，我们产品主要的使用者年龄将在40至60岁。