backwards
单词辨析：
作形容词“向后的”解时只作定语；作副词时，词义同 backwards，可换用。
You'd better take a backward glance from time to time when you are on a crowded bus with your bag.
你背着包挤在公共汽车里的时候，最好时不时地看看背后。
It is still a backward country.
它依然是一个落后的国家。
He moved a step backward/backwards.
他向后退了一步。
backward 在英国英语中常用作形容词，在美国英语中常用作副词。
只作副词，不可用作形容词。
She looked backwards and saw nothing.
她向后瞧了一下，什么也没看见。
Lisa took a step backwards.
莉萨向后退了一步。
相关例句：
He was not able to walk without a cane and could only navigate steps backwards
没有手杖他无法走路，只能小心翼翼地向后退。
The wall is beginning to slope backwards.
这堵墙往后坐了。
She looked backwards over her shoulder.
她回头向后看。
Bess glanced backwards
贝丝往后瞥了一眼。
Rivers don't flow backwards.
河水不会倒流。
He works backwards, building a house from the top downwards.
他把工序倒过来了，从上往下建房子。