先頭の

(1)going or proceeding or going in advance; showing the way; "we rode in the leading car"; "the leading edge of technology"

(2)進む、進行する、前もって行くさま

(3)道を示す

(1)we rode in the leading car

(2)私たちは先導車に乗った

(3)the leading edge of technology

(4)科学技術の最先端