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》。
This resulted in a year that is 365 days long.
从此，一年就按365天计算。
Why didn't people wash in those days long ago?
为什么没有人在那些日子里洗很久以前？
One of our concerns before sailing was that we'd find the days long.
我们启程之前的一个担忧就是会觉得日子太长而难熬。
We have heard with our ears, O God; our fathers have told us what you did in their days, in days long ago.
（可拉后裔的训诲诗，交与伶长。）神阿，你在古时，我们列祖的日子，所行的事，我们亲耳听见了，我们的列祖，也给我们述说过。
When gilts or sows enter oestrus in their reproductive cycles (about 21 days long) they are ready to be bred.
小母猪和大母猪的发情期大概是21天，这是她们的生理循环周期，准备繁殖阶段。
Under the Gregorian calendar, the year is 365.2425 days long, "close enough to the true fraction that the seasons don't drift," MacRobert said.
在格里历中，一年的长度为365.2425天，“这个数值足够接近正确值，这样四季的时间就不会变动不定了，”麦克罗伯特说。
One clue as to how this happened might lie in the fact that Kepler 314c orbits close to its parent star-its "year" is 23 terrestrial days long.
一条解释为什么会是这样的线索也许在于开普勒314c星的轨道靠近她的母恒星这个事实—它的“一年”只有地球上23天。
Its students say that the skills they were taught at university were designed for days long gone when graduates automatically got a job in the public-sector bureaucracy.
该机构的学生称，毕业生能够在公共部门自动获得职业的好日子一去不复返了，而如今他们在大学期间学到的知识还是那个年代的。
While it's true that the occasion we now know as Thanksgiving first occurred between Pilgrims and nearby Indians, it originally was three days long and served to salute the annual harvest.
我们现在所知道的感恩节确实是关于第一批来到美国的新移民和印第安人之间的故事，但最早这是一个三天长的庆典，庆祝的也是一年的丰收。
Some seeds may germinate in three days even if they have been exposed to very low temperatures for a long time.
即使长时间暴露在极低的温度下，有些种子也能在三天内发芽。
The aircraft is massive—as long as a football field and as tall as 6 double decker buses and capable of continuous flying for up to 5 days.
这架飞机有足球场那么长，有6辆双层巴士那么高，最多可以持续飞行长达5天。
Astronauts on shorter shuttle missions often work very long days.
执行短期任务的宇航员通常每天要工作很长时间。
He has come a long way since the days he could only afford one meal a day.
和以前那种一天只吃得起一顿饭的日子相比他取得了很大的成就。
Long flights throw my sleeping pattern out of kilter for days.
长途飞行使我的睡眠习惯给打乱了好几天。
Sun clocks worked, of course, only on clear days; water clocks misbehaved when the temperature fell toward freezing, to say nothing of long-run drift as the result of sedimentation and clogging.
当然，太阳时钟只能在晴天工作；当温度下降到接近冰点时，水钟就会失灵，长期漂浮的东西因为下沉或堵塞而无法工作。
Rural kids used to walk a long way to school in the old days.
过去农村孩子要长途跋涉去上学。
The paper is due next month, and I am working seven days a week, often long into the night.
下个月就要交论文了，因此我每周工作七天，常常工作到深夜。
Every morning now she turns on a specially constructed light box for half an hour and sits in front of it to trick her brain into thinking it's still enjoying those long summer days.
现在她每天早上都会打开一个特制的灯箱半小时，坐在前面，让自己的大脑以为它还在享受漫长的夏日。
Mr. Long agreed that it seemed strange for David to be absent so often on gym days.
龙老师也认为，大卫经常缺席体育课这件事看起来很奇怪。
I had to walk there and the journey took six long days.
我不得不步行去那里，旅程十分漫长，花了六天时间。
The test lasted for 21 days because some scientists believe that 21 days is long enough to help form a habit.
这项测试持续了21天，因为一些科学家认为21天足以帮助形成一种习惯。
When the days grew long in the middle of summer, Lisa liked to go to the park and watch the clouds.
每到盛夏，白昼渐渐变长，丽莎就喜欢去公园看云。
Journalists work long days and it can be very hard to find time to have a holiday.
记者每天都需要工作很长时间，很难找到时间休假。
You can exercise as long as you like a day, seven days a week.
你可以一周锻炼七天，只要你喜欢。
This will prevent you from getting lost in the first few days of classes, and familiarize you with how long it takes to get from place to place.
这会防止你在上课的头几天里迷路，并使你熟悉从一个地方到另一个地方需要多长时间。
This will prevent you from getting lost in the first few days of classes, and familiarize you with how long it takes to get from place to place.
这会防止你在上课的头几天里迷路，并使你熟悉从一个地方到另一个地方需要多长时间。
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