My time spent in the library was very productive.

我花在图书馆的时间很有收获。

《牛津词典》

The researchers looked at time spent in a number of activities that could plausibly be driving the wellbeing decline.

研究人员观察了一些可能导致幸福感下降的活动所花费的时间。

youdao

Two main reasons can cause poor eyesight: too much time spent indoors studying and too little time spent outdoors playing.

导致视力下降的主要原因有两个：花在室内学习的时间太多，花在户外玩耍的时间太少。

youdao

For example,the father of Mexican-American musician Zack de la Rocha spent time working as an art director for Mister Chavez.

VOA: special.2009.09.06

This should all sound incredibly familiar, like I'm just repeating myself in terms of photoelectric effect, because essentially that's what I'm doing, and that's one reason we spent so much time and did so many problem-set problems on the photoelectric effect.

这应该听起来极其熟悉，就像我在重复自己在讲光电效应时所说的话，因为基本上我正是在这样做，这也是我们在光电效应这个问题上,花这么多时间,做这么多习题的原因之一。

麻省理工公开课 - 化学原理课程节选

He spent at least two-thirds of his more than, about three-quarters of his time in the northern states.

他至少花费了他旅程的三分之二,可能不止,应该是他旅程的四分之三时间,周游于北方各州

耶鲁公开课 - 美国内战与重建课程节选

He considered the California mini-summit time well-spent.

CNN: SUMMITS

And the three hours a lot of people spent caring about him strike me as time well-spent.

NPR: A Boy, A Balloon And A Lot Of Hot Air

For the first time ever, Microsoft is reporting more time spent on non-game apps than time spent playing games while connected to Xbox Live.

FORBES: Xbox Video And Music Apps Pass Up Online Gaming For The First Time