limb
/lɪm/
one of the jointed appendages of an animal used for locomotion or grasping: arm; leg; wing; flipper
中文释义:肢;臂;腿;翼
The accident left him with a broken limb that required surgery.
事故导致他肢体骨折,需要手术。
Birds use their wings as limbs for flying and balancing.
鸟类用翅膀作为飞行和保持平衡的肢体。