upper back

• 上背

upper back的用法和样例：

例句

1. The traveler is carrying a pack on his back.
   这个旅行者背上背著一个背包。
2. The distinct mantle and upper scapular lines are absent from both photos.
   亚成鸟上背和肩羽处会有明显的白线，照片中没有。