kingpin
n
1 (engineering 工) vertical bolt used as a pivot 主销; 主螺栓.
2 (fig 比喻) essential person or thing 主要的人或事物
He's the kingpin of the whole team. 他是全队的主力.
🗣️ 情景例句
Oh, congratulations! That's nice.
啊, 恭喜你们! 太好了。
When were you born?
你是什么时候出生的?
The secretary told me that Mr.Harmsworth would see me.