Kitty and Dad worked for three hours before Mum came back.
在妈妈回来之前，凯蒂和爸爸忙活了三个小时。
According to a study by Australian National University, Australian children and Chinese children have the same level of eyesight before they start school, but once they enter primary school, Chinese children only spend about an hour a day outside, while Australian children spend three to four hours each day in the sunshine.
澳大利亚国立大学的一项研究显示，澳大利亚的孩子和中国的孩子在入学前的视力水平相同。但是一旦他们进入小学，中国的孩子每天只会在户外度过一个小时，而澳大利亚的孩子每天在阳光下待三到四个小时。
Before, these farmers, if they wanted to check on a sick relative elsewhere, had to walk three hours in each direction.
以前，如果这些农民想要查看其他地方生病的亲人，他们不得不向每个方向走三个小时。
You need a solution that lets you run tests more than once a day and puts your test suite back where it was before the build took three hours to complete.
您需要这样一种解决方案，使一天当中运行测试的次数超过一次，并使测试套件恢复到要用三个小时才能完成构建之前的水平。
The decision came less than three hours before the mandate was to expire.
这一决定是在授权满期前不到三个小时的时候作出的。
Hours before a visit by the American secretary of state, attackers shot their way into three compounds housing Westerners and Saudis and set off car bombs.
就在美国国务卿抵达沙特阿拉伯几小时前，攻击者驶车冲向三幢西方人和沙特人的混合居民楼，引爆了炸弹。
I'd had three hours sleep the night before, and not much more the nights before that too.
昨天晚上我只睡了三个小时，再之前的几个晚上，我也没睡多长时间。
"As I talked to them, I was amazed." she said, "All of them had heard the simple instructions I have given just a few hours before, but they have three or four different versions."
她说，“他们所有的人都在短短几小时前听到了我给出的简单的医嘱，但是他们有三、四个不同的版本。”
Before: I'd watch television on our 32 "CRT unit for three or four hours."
以前：我每天在32寸电视前待三四个小时。
There're still three hours before the performance starts.
离演出开始还有三个小时呢！
Plan to finish eating meals two to three hours before bedtime.
计划在就寝两三个小时之前吃晚餐。
This morning they did the normal shootaround with the guys. If you were here three hours before the game, Ray was out there, just like normal.
他们将按照常规训练,我坚信这一点,主教练说,今天早晨,他们和队员一起做了正常的投篮联系.如果你在比赛前三小时到现场,你会发现,ray象往常一样已经到了.
I finished the testimony at about six-thirty, three and a half hours before I was scheduled to address the nation.
约6点半，我的作证结束了。按计划，三个半小时后我就得向全国发表电视讲话。
Try to finish your workout at least three hours before bedtime.
尽量在睡觉3小时前完成锻炼。
The jury debated for just three hours before acquitting Mr Posada on April 8th.
4月8日，陪审团只进行了三个小时的辩论就赦免了Posada先生。
Never work more than three hours (with ten minute breaks) before taking significant time off.
每三小时(每小时中间都有10分钟休息)休息一段更长的时间。
Eat your last meal three and a half to four hours before bed.
在睡前三个半到四小时吃你的最后一餐。
We headed upstream for three hours before tying our boat below a steep bank.
我们向上游航行了三小时，终于把小船停在一处陡峭的河岸边上。
Don't drink liquids for three hours before bedtime.
睡眠前三个小时不要饮用液体。
You wake in the wee hours because the cat's scratching at the door or you have to use the bathroom, then you toss and turn for three hours before dozing fitfully the rest of the night.
因为有只猫在抓门或者你忍不住要上厕所，你在凌晨醒来，然后在床上翻来覆去三个时间才在夜里余下的时间断断续续地睡去。
eat three hours before bedtime—not right before you go to bed;
睡前三小时吃饭——而不是在即将睡觉时吃东西；
His advice: eat within an hour of waking to kick-start your metabolism. Then keep eating every three to four hours ending an hour before bedtime.
MacDonald建议：醒来后的一小时内吃东西让代谢开始工作，然合保持每三到四小时进食一次，直到睡前的一小时。
The models collected at the agency three hours before the fashion show.
时装表演开始前三个小时，模特们就在公司集合了。
Exercise regularly, but finish your workout at least three hours before bedtime.
经常锻炼，但是在睡前至少3小时内结束锻炼。
Sixteen harrowing hours passed before an HH-60 Jayhawk helicopter spotted the life raft with Guy Schroder and just three other fishermen remaining inside.
惨不堪言的16个小时后，一架HH - 60杰霍克直升机发现了盖伊·施罗德的救生筏，只有他和三名船员幸存了下来。
The A400M, meanwhile, faces at least three years of testing and 4,370 hours of flying before it will enter service.
与此同时，A400 M在服役前面临三年测试和飞行4370个小时。
The A400M, meanwhile, faces at least three years of testing and 4, 370 hours of flying before it will enter service.
与此同时，A400 M在服役前面临三年测试和飞行4370个小时。
The A400M, meanwhile, faces at least three years of testing and 4, 370 hours of flying before it will enter service.
与此同时，A400 M在服役前面临三年测试和飞行4370个小时。
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