cor·ri·val /kəˈraɪvəl, kɔ, ko-/
競爭的對手
Cor·ri·val, a. Having rivaling claims; emulous; in rivalry. [R.]
Cor·ri·val, v. i. & t. To compete with; to rival. [R.]
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Cor·ri·val n. A fellow rival; a competitor; a rival; also, a companion. [R.]