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
