| 单词 | opportunistic |
| 释义 | opportunistic —opportunistically, adv. /op'euhr tooh nis"tik, -tyooh-/, adj. 1. adhering to a policy of opportunism; practicing opportunism. 2. Pathol. a. (of a microorganism) causing disease only under certain conditions, as when a person's immune system is impaired. b. (of a disease or infection) caused by such an organism: Pneumocystis pneumonia is an opportunistic disease that often strikes victims of AIDS. [1890-95; OPPORTUNIST + -IC] |
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