三步一拜全程需大约两小时半完成。
反对者称，每周至少运动两小时的小学生几乎减少了一半。
The opposition claims primary school pupils doing at least two hours of sport a week have nearly halved.
我每天都锻炼至少一个小时，如果不够一个半或两小时的话。
I exercise at least an hour every day, if not an hour and a half or two hours.
在那次事故中，有一半核反应堆芯在事故发生后的两小时内便融化了，直到工作人员将误关的应急冷却系统开关重新打开，反应堆芯才停止了融化。
There, half the reactor core melted in the first two hours of the accident. The melting stopped when an operator turned on emergency cooling, which had mistakenly been turned off.
大约一半的研究对象是不加班的，但是有21%的人一天超时工作一小时，15%超时工作两小时，10%超时工作三小时或跟长时间。
Roughly half of the study subjects didn't work overtime. But 21 percent worked one extra hour, 15 percent worked two extra hours, and 10 percent worked three hours or more extra per day.
我们早上六点半就上火车，两小时后到达。
We’d board the train at six-thirty A.M. and arrive there two hours later.
我们早上六点半就上火车，两小时后到达。
我们早上六点半就上火车，两小时后到达。
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