名词
中文翻译：背沟
同义词：
['back crease', 'back fold', 'back wrinkle']
例句：
-
1.The old woman sat on the back furrow of her chair.
那位老妇人坐在椅子的后背沟上。
-
2. The baby was sleeping in his back furrow.
宝宝正睡在他的后背沟里。
-
3. As she walked, she noticed a deep back furrow on the ground.
当她散步时，她注意到地上有一条深深的后背沟。