哦，一天三小时。
I do. and I practice three hours a day.
我！并且我每天练习三个小时！
At home, she studies as much as three hours a day.
每天回家后，她都要学习三个小时左右。
I couldn't bear to spend three hours sitting in a train every day.
我不能忍受每天在火车上坐三个小时。
Few areas across the country get more than three or four hours a day.
全国大多数地区每天供电部不超过3到4小时。
New recruits have three hours of drill a day.
新兵一天有三小时的操练。
I worked 7 hours a day for three weeks.
每天工作七个小时，一直要连续三周。
They might get three to four hours of sunlight a day, " he says."
可能每天有三到四小时的阳光“。
They might get three to four hours of sunlight a day, " he says."
可能每天有三到四小时的阳光“。
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