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
Robbie pulled a boy out of the water.
Robbie从水中救出一个孩子。
When did you do homework?
你什么时候做家庭作业?
Two of his greatest films, City Lights and Modern Times were of this kind.