as tall as five foot eight 中的foot为啥不用复数?
问题描述:
as tall as five foot eight 中的foot为啥不用复数?
答
做表语时foot应该是feet呀:
----- He is as tall as five feet eight inches.
做定语时,foot不用复数形式:
This is a five-foot-eight-inch-high tree.