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availability英英释意- 吉日象在线字典
首页英语词典availabilityavailability英英释意

availability

英 [ə,veɪlə'bɪlətɪ] 美[ə,velə'bɪləti]
  • n. 可用性;有效性;实用性

英英释意


1. the quality of being at hand when needed