The conference broke for a recess, but the 10-minute break stretched to two hours.
会议暂时休会，但10分钟的休息延长到了两小时。
It is suggested that sunscreen be applied every one to two hours in a sunny day.
建议在晴朗天气里每隔一到两个小时涂抹防晒霜。
He spends up to two hours making each portrait.
他花了长达两个小时来制作每幅肖像。
All had marked increases in troponin within one to two hours after they started running.
在开始跑步后一到两个小时内，所有人的肌钙蛋白水平都有增高。
游程两个小时。
The conversation lasted one to two hours.
就这么谈了一两个小时。
You must read English every day, one to two hours a day.
必须每天坚持读英语，一到两小时。
The drug will render a man unconscious for up to two hours.
这种药品可以使人失去知觉达两小时。
It will take anywhere from one to two hours to drive there.
开车到那约需一至两小时。
Observe, at a distance, one to two hours in your chosen site.
针对您所选定田野调查场所进行一至两个小时之远距离观察。
Read and write for one to two hours and then take a 10-15 minute break.
用一至两小时进行阅读和写作，然后休息10到15分钟。
The bad news? You need to queue for up to two hours to get into the store.
而坏消息则是，进店之前你需要排两小时的队。
Trips under an hour are free, while those of one to two hours cost 1 yuan (US$0.15).
一小时以下免费，而一小时到两小时之间的租赁价格也仅为一块钱（0.15美元）。
Many of them have walked a long way, sometimes up to two hours, to get to the school.
他们中的许多人走了很长的路，有时 候要走两个小时才能到学校。
It has been said that one hour of sleep before midnight is equal to two hours afterward.
在午夜前一个小时的睡眠等于午夜后两个小时的睡眠。
The virus remains active and contagious in the air or on infected surfaces for up to two hours.
麻疹病毒在空气中或受感染物体表面2小时内可保持活力和传染性。
Edward Everett, who preceded the president on the program, had confined his remarks to two hours.
爱德华•埃弗里特按计划在林肯之前演讲，他将演讲限制在两个小时。
You can't commit to two hours, seven days a week - especially if you haven't done it before.
你无法保证每周七天每天两个小时的健身时间——尤其是之前从未有过健身经历的初学者。
The in-class exams will be 90 minutes each and the third exam will probably be closer to two hours.
随堂考每次为 90分钟，第三次考试大约会有两个小时。
They have to walk sometimes up to two hours to come to work and usually go without lunch to save money.
他们有时需要步行多达两小时来上班，并通常为了省钱不吃午饭。
Try scheduling one to two hours per week or a specific date and time to focus on advertising your business.
试试每周安排一到两个小时或者特定的日子集中搞营销吧。
Even one hour of screen time a day is a lot for preschoolers; one to two hours is maximum for older children.
对于学龄前儿童来说每天一小时的观看时间已算是很多了；对于稍大些的孩子来说顶多一到两个小时。
Insects coated with the material were able to survive up to two hours in a high vacuum the team reports.
用这种材料涂覆的昆虫可以在该小组报道的高真空环境下存活长达两个小时。
Your brain is most alert one to two hours after waking, according to the Sleep-Wake Disorders Centre in New York.
根据纽约的睡眠障碍中心的观点，在醒来后的一到两个小时，你的大脑是最为清醒的。
Rain caused delays of up to two hours Friday morning at San Francisco International Airport, and officials expected the delays to continue.
星期五早上大雨致使旧金山国际机场的航班晚点两个小时，官方认为这种状况还将持续。
NPR's Craig Windham reports at a one polling place in the battleground state of Virginia people are standing in line up to two hours to vote.
据NPR新闻的克雷格·温德姆报道，在战场州弗吉尼亚州的一个投票站，选民们要排队两个小时才能完成投票。
NPR's Craig Windham reports at a one polling place in the battleground state of Virginia people are standing in line up to two hours to vote.
据NPR新闻的克雷格·温德姆报道，在战场州弗吉尼亚州的一个投票站，选民们要排队两个小时才能完成投票。
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