primary time

短语

词形变化

primary times 复数 primary times

释义与例句

n.
  1. 1.

    The point in time when something is initiated; the start time.

    可数 不可数
  2. 2.

    Time as directly experienced, as opposed to time as a measured amount, historical time, etc.

    可数 不可数
  3. 3.

    The amount of time in which a pilot is actively controlling the aircraft, excluding time flown while instructing and evaluating.

    可数 不可数 航空 商务 工程 政治 军事