单词 upstair 释义 upstair, adv. and a.[up prep.2 1, 7.]1. adv. = upstairs adv. 1.1627Drayton Moon Calf 165 When vp-stayre one, downe⁓stayre another hies.2. adj. = upstairs a.1814Heyne Tracts India 277, I staid in an upstair room with him for many hours....