youdao

He worked out that a year should be 365.24281481 days long and created the Daming Calendar.

他计算出一年应该是365.24281481天，并创造了《大明历》。

youdao

This resulted in a year that is 365 days long.

从此，一年就按365天计算。

youdao

During those long summer days, The Luck was carried up the mountain to the place where the men were digging for gold.

VOA: special.2009.06.06

One that seems to be in fashion these days, although you never know how long the fashion lasts, is: internal uprisings that somehow these monarchical areas, when life got tough, the people must have risen up against them.

有一个理论现在很流行,虽然不知道流行了多久,那就是认为,这些王国中起义的内部原因是,当民生困苦时,人们就必然奋起反抗

耶鲁公开课 - 古希腊历史简介课程节选

In the old days, it took a long time to count the votes from the November elections.

VOA: special.2009.01.19

The trip was about 10 days long, and I made sure it was a culture marathon.

WSJ: Marcus Samuelsson on Traveling to Japan to Eat Fugu | Traveler's Tale

Also, since the tournaments are just three days long, they usually have two pro-ams, Wednesday and Thursday, allowing twice as many amateurs to participate.

FORBES: Love Golf? You Need To Play In a Pro-Am ASAP

After poring over the data, engineers and physicists noted a recurring pattern 33 days long that affected the decay rates of the various radioactive substances.

FORBES: Radioactive Decay Rates May Not Be Constant After All