They housed eight adult rats with two types of robotic rat—one social and one asocial—for four days.
他们将8只成年老鼠和2种机器老鼠（一种是社会性的，一种是非社会性的）一起饲养了4天。
Several trucks were rented (租用), with four trucks carrying two giant pandas each, while one truck carried enough bamboo and bamboo shoots for five days, and another empty truck was kept on standby.
几辆卡车被租用了，其中有四辆卡车分别载着两只大熊猫，一辆卡车载着足够五天食用的竹子和竹笋，而另一辆空卡车则一直在待命。
Mere dilettantes might not have taken note of Papa Joe – a Dickensian character if ever there was one – since he used a press conference to promote a record label, four days after Michael's death.
业余歌迷们本不会关注乔.奥利弗（爵士乐大师路易斯·阿姆斯特朗的启蒙老师）这个狄更生式的人物（如果真有这么一种人存在的话）。在迈克尔死后的第四天，他利用一个新闻发布会创立了一个一种新的音乐形式。
Then, after four days, their left ears were infected with an adenovirus (one of the sorts of virus that cause colds).
四天以后，另一只不聋的耳朵也被一种腺病毒所感染(引起感冒的一种病毒)。
Under special circumstances, the time limit for deciding on an arrest may be extended by one to four days.
在特殊情况下，决定逮捕的时间可以延长一日至四日。
The Julian calendar approximated the mean tropical year as 365.25 days and proposed 366-day leap years for every one divisible by four.
儒略历将太阳年划为365.25天，闰年366天，每四年一次。
But in one area of northern Queensland state which had an estimated 20, 000 koalas a decade ago, a team of eight people did not find even one koala after four days of recent searching, Ms Tabart said.
北昆士兰州的一个地区，10年以前估计有20000只考拉；然而在最近的的搜寻中，一个八人的小组历经四天却连一只考拉也没有找到。
Katz hopscotched along a strip of hotels near Mitchell International Airport, staying at one for three or four days, then moving to the next, usually less than a few hundred yards away.
Katz在Mitchell国际机场附近不停地更换旅馆，在每一家停留三到四天，然后搬到几百米外的另外一家去住。
For four days, the skies were eggshell blue, with intermittent clouds and one rain shower.
在我停留的4天里，天空蔚蓝，不时有云朵，还下了一场小雨。
One in five of those referred for a scan had to wait three days or more, while a third of those needing a surgical procedure after miscarriage had to wait four or more days for it.
五分之一的流产女性提到，他们必须为做B超等3天或者更多；三分之一流产后需要手术的患者必须等4天或者更多。
The next month we did four more bus Tours, this time shorter ones of one or two days.
接下来的一个月里，我们又乘巴士进行了四次巡回宣传，但时间短一些，只有一两天。
One option is to switch from five 8-hour days to four 10-hour days, meaning overall hours and salaries stay the same.
一种方案是把每天8小时工作时间改为10小时，这意味着一周工作时间和薪水维持不变。
Four days later, the market peaked and bottomed out 46 percent lower one year later.
4天后，股市见顶开始下跌，一年后股市跌掉了46%。
These days, however, it seems that camping has taken on a whole new look – something like fresh air accompanied by all the luxuries one could expect at a four-star hotel.
而现如今，露营方式似乎已经发生了变化，你可以在野外呼吸新鲜空气的同时享受到四星级酒店的奢华待遇。
The upper clouds can circle the planet in four days or even less, and no one knows why.
高空云能在四天或更少时间里环绕卫星一周，没人知道为什么。
But there's one surprising effect of the changed schedule: better work gets done in four days than in five.
但改变工作安排还产生了一个出人意料的结果：用四天完成的工作比用五天完成得更好。
Boeing, for one, has a hydrogen-powered UAV called the Phantom Eye that will fly for four days at 20,000 metres (66,000 feet).
例如，波音已经开发了一款名为“幽灵之眼”的氢动力无人飞行器，它能够在20000米(66000英尺)高空连续飞行四昼夜。
Boeing, for one, has a hydrogen-powered UAV called the Phantom Eye that will fly for four days at 20, 000 metres (66, 000 feet).
例如，波音已经开发了一款名为“幽灵之眼”的氢动力无人飞行器，它能够在20000米(66000英尺)高空连续飞行四昼夜。
However, this reporter tried the online chat on three different occasions on three different days with delays of one to four hours to reach a rep.
然而，记者尝试在3个不同的日期、不同的场合进行在线聊天，延迟了1-4个小时才联系上客服代表。
Roughly one in four patients may develop a "post-ablation syndrome" with flu-like symptoms that appear three to five days after the procedure and usually last about five days.
大约四分之一的患者可能产生“消融后综合症”，症状类似流感，在手术后3至5天出现，一般持续5天左右。
One disappointing thing about leaving office in December was that I fell twenty-four days short of breaking Orval Faubuss record as my states longest-serving governor.
辞去州长一职使我感到失望的原因之一是，只差24天，我就能打破奥瓦尔.福伯斯保持的担任本州州长时间最长的记录。
The average person spends 11,862 hours in the bathroom, which equals one year, four months and five days in a lifetime...
一个人一生中花在卫生间的时间为11862个小时，相当于1年4个月零5天。
The average person spends 11,862 hours in the bathroom, which equals one year, four months and five days in a lifetime...
一个人一生中花在卫生间的时间为11862个小时，相当于1年4个月零5天。
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