king pin
中文翻譯：
【機】 大王銷英文解釋：
名詞 king pin:
- the most important person in a group or undertaking同義詞：kingpin, top banana, bigwig
- bolt that provides a steering joint in a motor vehicle同義詞：kingbolt, kingpin, swivel pin
- the front bowling pin in the triangular arrangement of ten pins同義詞：headpin, kingpin