walk up 什么意思

walk up
adj. 无电梯的
例句:
Walk up! Walk up! The performance is about to begin.
快来看! 快来看! 马上开演了.
If you walk up Oxford Street, you'll see many shops.
如果你沿着牛津大街走，你会看见许多商店。
A stranger walked up to me and shook my hand.
有个陌生人向我走来跟我握手.

walk-up n. 无电梯的大楼；无电梯大楼中的办公室（或者公寓套房）
walk up (to sb/sth) (尤指自信的) 向....走去；走近
——牛津高阶