astragal

• 指踝部的距骨，构成踝关节；也指用于家具边缘装饰的串珠线脚。

A noun referring to the talus bone in the ankle that forms the ankle joint, or a beaded molding used in furniture edging and decoration.

1. Ankle boneC2formalmedical

   The bone in the ankle that articulates with the leg bones to form the ankle joint, also known as the talus.

   距骨

   • The astragal connects the foot to the lower leg bones.
   • A fracture of the astragal can severely affect mobility.
   • The surgeon examined the astragal for signs of damage.

   同义词astragalustalus

2. Decorative moldingC2formalart

   A beaded or rounded molding used for edging or decorating furniture, picture frames, or architectural elements.

   装饰线脚

   • The antique cabinet featured an ornate astragal along its edges.
   • Craftsmen carefully carved the astragal to match the period style.
   • The astragal added a refined finish to the wooden frame.

   同义词beadbeading