His injuries have returned as there was insufficient recovery time between games.由于比赛间隔时间太短，缺乏足够的恢复时间，他的伤又复发了。Just a breath separated the two shots, but they were not simultaneous.两枪间隔时间很短，但并非同时发射。The buses run less frequently on Sundays.周日公交车发车间隔时间较长。Trains run at fixed intervals.火车按固定间隔时间发车。