Heptode
n. 七极真空管\\n[电] 七极管
🗣️ 情景例句
We all have the same 168 hours per week, it's what you do with them that counts.
我们每个人一周里都有 168 个小时，就看你怎么利用。
If you lose your way, ask a policeman.
如果你迷路了，可以向警察打听。
Then they had a second child-a son. How happy they were!
后来他们有了第2个孩子一个儿子。他们多么高兴啊！