leaf peeper 赏叶人

Leaf peeper refers to a person who, at the appropriate time during autumn, seeks out an area where many or most of the tree leaves have turned color.

 “赏叶人”指的是在秋季合适的时间，去探寻很多或大部分叶子已经变色的区域的人们。

A "leaf peeper", or "leafer", is the New England regional slang term for a person, usually a tourist, who drives very slowly throughout the north-east portion of the United States during autumn while looking out the windows of their car at the annual foliage color change. 

“赏叶人”在英语中也可以称为leafer，是新英格兰地区的俚语，常指游客在秋天慢慢开车穿过美国东北部地区，透过车窗欣赏每年的叶色变换。