n. the posterior part of a human (or animal) body from the neck to the end of the spine
n. the part of something that is furthest from the normal viewer
n. (football) a person who plays in the backfield
n. the part of a garment that covers the back of your body
a. 后面的
vt. 使后退, 支持
vi. 倒退, 背靠
adv. 向后地
n. 背部, 后面
1. I will call you back later.
我稍后会给你打电话。
2. She turned her back to me.
她背对着我。
3. Please put the book back on the shelf.
请把书放回书架上。