n.背（部）

The dorsal surface of the vertebral column is covered with a layer of protective cartilage.
背部脊椎的表面覆盖着一层保护性的软骨。
He examined the plant's leaves, noting the distinctive pattern on the dorsal side.
他检查了植物的叶子，注意到了叶片背面独特的图案。
She felt a sharp pain in her lower back, possibly from a strained dorsal muscle.
她感到下背部一阵剧痛，可能是背部肌肉拉伤了。
The dorsal fin of the shark is used for balance and maneuverability in the water.
鲨鱼的背鳍有助于在水中保持平衡和灵活移动。
The photographer captured the eagle's wings spread wide, revealing the intricate pattern on its dorsal feathers.
摄影师拍下了鹰展开翅膀的照片，展示了其背羽上复杂的纹理。
In biology, the term 'dorsal' refers to the upper or back part of an organism, as in 'dorsal side of a fish'.
在生物学中，“dorsal”指的是生物体的上部或背部，如“鱼的背部”。
During yoga practice, students often focus on strengthening their dorsal muscles to improve posture.
在瑜伽练习中，学生通常会专注于强化背部肌肉以改善姿势。
The bird's beak, or bill, has a unique shape on the dorsal edge that aids in catching prey.
鸟类的喙在背部边缘有独特的形状，有助于捕捉猎物。
The design of the ship's hull incorporated a dorsal keel to provide additional stability in rough seas.
船只船身的设计融入了背脊状的龙骨，以增强在恶劣海况下的稳定性。
When climbing, it's crucial to have good grip on the dorsal surfaces of the rocks to maintain balance.
攀岩时，牢固抓住岩石的背部表面对于保持平衡至关重要。