| 单词 | opportunistic |
| 释义 | opportunistic/ˌɒpətju:ˈnɪstɪk ||; ˌɑpɚtuˈnɪstɪk/adj1. =opportunist 2. (only before a noun 只用于名词前) (medical医学) harmful to people whose immune system (= the system in your body that produces substances to help it fight against infection or disease) has been made weak by disease or drugs 机会性的，机遇性的（对因患病或吸毒而免疫系统减弱的人有害）: ◇an opportunistic infection 机遇性感染 ☞ opportunist, opportunistic |
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