Deltoid

[deltɒid]

解释:

(noun.) a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm.

(adj.) triangular or suggesting a capital delta, with a point at the apex .

手打:波莉--From WordNet

解释:

(a.) Shaped like the Greek / (delta); delta-shaped; triangular.

克劳迪娅手打