The interval may be assumed to have been a major formative period in his life: he was 21 years old when it began, 31 when it concluded.

但是这段时间可以被认为是一个人的成形时间(formative period)：开始于他21岁，终止于他31岁那年。

youdao

Ear For Life, perfect pitch, interval and chord ear training.

耳对生活，完美的音调，区间及和弦听力训练。

youdao

Function description: quicken the cooling of rubber mould; shorten the interval time of using the mould (increase the output); reduce the high-temperature bearing time (lengthen the service life).

功能描述：加快橡胶模具的冷却、减少模具再次使用的间隔时间(提高产量)、减少高温承受时间(使用寿命更长)。

youdao

The game sprung into life 10 minutes before the interval when Ballack's header was cleared off the line by Kranjcar, while at the other end Portsmouth were unlucky not be given a penalty when Juliano Belletti appeared to handle Baros' attempted flick in the area.

BBC: CHOOSE A SPORT

Whether the cause was childhood infection, difficult childbirth, heart attack, or pneumonia, the interval between recognizing that you had a life-threatening ailment and death was often just a matter of days or weeks.

NEWYORKER: Letting Go

India resumed after the interval on 41-2 from 17 overs and they found life slightly easier with the pitch holding as well as could be expected given the widening cracks on offer.

BBC: Indian batsmen defy Australians