outer rail的用法和样例：
例句
- A horseracing enthusiast, especially one who watches races at the outer rail of the track.
比赛狂赛马的迷恋者，尤指在跑道外侧栅栏处观看比赛的人
outer rail的相关资料：
临近单词
outerface
outer
Outer-slotted-coaxial waveguide
outer orbital coordination compound
outer pasting prestressed FRP fabric
Outer weld automatic tracking system
outer groove super finishing machine
outer wall temperature-saving board
Outer belt electron enhancement event
Outer Tube Vertical Centerline Target
outer-and inner-scale of turbulence
Outer Central Breakwater Tozai Waterway
