just in case

副词 adv. 连词 conj.
中文释义
英 /ˌdʒʌst ɪn ˈkeɪs/    美 /ˌdʒʌst ɪn ˈkeɪs/

英文释义

副词 adv.
  1. To provide for a possible event as a precaution. informal,not-comparable
    — I'll take an umbrella, just in case.
连词 conj.
  1. To provide for the possible event that.
    — I'll take an umbrella, just in case it rains.
  2. Synonym of if and only if.
    — The negation of a disjunction is true just in case both disjuncts are false.
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