r at or to or toward the back or rear
r in a manner or order or direction the reverse of normal
adv. 向后
1. She walked backwards to avoid stepping on the grass.
她倒退着走以避免踩到草地。
2. The car moved backwards slowly in the parking lot.
汽车在停车场慢慢倒退。
3. He can read the text backwards without any mistakes.
他可以毫无错误地倒着读文本。