I try to manage about five hours a week on my bike.
我尽量每周抽出约五小时骑自行车。
大约五个小时。
大约五个小时。
This work is required about five hours to complete.
这工作需要大致五个小时完成。
Avoid strenuous physical activity or heavy lifting for about five hours after donation.
献血后五小时避免剧烈动力及抬举重物。
For men, this may occur after having five or more drinks in about two hours.
对于男性，估计在2小时内饮下不少于5瓶酒就可达到以上浓度。
It was so beautiful that we forgot about the last five hours!
它是如此的美丽，以至于我们都忘记了刚过去的五个小时。
It was so beautiful that we forgot about the last five hours!
它是如此的美丽，以至于我们都忘记了刚过去的五个小时。
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