turn and turn about

副词 adv.
中文释义

英文释义

副词 adv.
  1. By equal alternating periods of service or duty; by turns. not-comparable
    — [...] the three streamliners, still on their 29½ hr. schedule, start at 9.40 a.m., also turn-and-turn-about, and so arranged that the 9.0 and 9.40 a.m. departures are by different routes each day; [...].
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