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1·Our house backs onto the river.

我们的房子背向河流。《牛津词典》

2·He lives in a loft that backs onto Friedman's Bar.

他住在一间背朝弗里德曼酒吧的阁楼里。《柯林斯英汉双解大词典》

3·Our backs and hands were covered with sores and burns from the ropes.

我们的背和手到处是绳索导致的伤口和灼伤。《柯林斯英汉双解大词典》

4·They live on the camels' backs.

他们生活在骆驼的背上。

5·Most snails have shells on their backs.

大多数蜗牛背上有壳。

6·Git up on one another's backs and let me touch 'em.

爬到另一个人的背上，让我摸摸它们吧。

7·They are buff-colored or brown with some black along their backs.

它们是黄褐色或棕色，背部有一些黑色。

8·Soldiers in ancient times often went to fight on the backs of African elephants.

古代的士兵经常骑在非洲象的背上作战。

9·The people on the islands had tattoos on their shoulders, chests, backs and legs.

岛上的人在肩膀、胸膛、背上和腿上都有纹身。

10·They gazed blankly at him, their sticks over their backs, and on each stick a bundle.

他们茫然地看着他，他们的棍子在他们的背上，在每根棍子上都有一个包裹。

(1)go back回去；追溯

(1)back in[体育]后内刃

(1)back of在…后面；在…背后

(1)back on背靠

(1)back into倒车撞上（某物）

(1)in the back在后面