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
I represent the Hassan Trading Company.
我是哈森贸易公司的代表。
Why are you squealing, my friend?
朋友,你为什么要发出尖叫?
She played basketball after school, and then walked home.