用法:
1 (a) person or tool that makes marks 作标记的人或工具:
[attrib 作定语] a `marker pen 标记笔.
(b) person who keeps the score in certain games （某些比赛中的）记分员.
(C) examiner 主考人.

用法:
2 flag, post, etc, that marks a position （指示位置的）旗、 杆等:
[attrib 作定语] a `marker buoy 标志浮标.

• the small hours
• the Social and Liberal Democrats (abbr 缩写 SLD)
• the solar system
• the solar year
• the Son of God, the Son of Man
• the ,South `Pole
• the Spanish Main
• Thespian
• Thespian (also thespian)
• the Stars and Stripes
• the State Department
• the sterling area
• the Stone Age
• the sulks
• the supernatural
• the ,Supreme `Being
• the Supreme Court
• the Supreme Soviet
• the synoptic gospels
• the third dimension
• the Third World
• the three Rs
• the triple jump
• the unconscious
• the undermentioned