您要查找的是不是：
- 我的後背一夜之间强直了. My back has stiffened (up) overnight.
- 我的後背又疼起来了。 My back trouble has flared up again.
- 转过去，让我看看你的後背。 Turn round and let me look at your back.
- 我的後背又疼起来了. My back trouble has flared up again
- 背板 backboard
- 我的後背一夜之间强直了。 My back has stiffened (up) overnight.
- 背的 neural
- 落後 lag
- 把这些单词背熟。 Learn these words off by heart.
- 後者 latter
- 背靠 back on
- 在後 behind
- 背痛 backache
- 後勤 logistical
- 背胶 application of gum
- 後代 posterity
- 背投 back projection
- 向後 backward
- 背斜 anticline
- （不再拘谨之後）放松一下 Relax after a period of being formal
