opportunistic

opportunistic
adjective
  1. exploiting chances offered by immediate circumstances without reference to a general plan or moral principle
    机会主义的
    the change was cynical and opportunistic.
    该改变是愤世嫉俗和机会主义的。
    ■(Ecology)(of a plant or animal) able to spread quickly in a previously unexploited habitat
    (生态)(动植物)能在新的栖息地迅速分布的
    ■(Medicine)(of a micro-organism or an infection caused by it) rarely affecting patients except in unusual circumstances, typically when the immune system is depressed
    (医)(微生物)机会感染的
派生
opportunistically
adverb
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