check-up-(身体检查)
1. 最重要的;卓著的;显赫的
The leading person or thing in a particular area is the one which is most important or successful.
2. 主角的;主演的
The leading role in a play or film is the main role. A leading lady or man is an actor who plays this role.
3. (在比赛或行列中)首位的,居前的
The leading group, vehicle, or person in a race or procession is the one that is at the front.
1. the activity of leading
e.g. his leadership inspired the team
Synonym: leadership
2. thin strip of metal used to separate lines of type in printing
Synonym: lead