gestation/dʒesˈteɪ.ʃən/名词怀孕(期),妊娠(期)The period of gestation of rats is 21 days.老鼠的妊娠期是21天。(想法、思想或计划的)酝酿(期),孕育(期)The project had a very long gestation period.这个方案经过了很长时间的酝酿。想跟读,去练习