1
- technical triangular〈技〉三角形的：
a tree with large deltoid leaves.
大三角叶树。
1.1
- denoting a thick triangular muscle covering the shoulder joint and used for raising the arm away from the body三角肌的。
1
- a deltoid muscle三角肌。
1.1
- each of the three parts of a deltoid muscle, attached at the front, side, and rear of the shoulder三角肌各角肌肉：
the anterior deltoid.
前三角肌。
词源
mid 18th cent.: from French deltoïde, or via modern Latin from Greek deltoeidēs.