Aspiring musicians need hours of practice every day.
想当音乐家就要每天练许多小时。
We promise to deliver to your door within 48 hours of you ordering.
我们承诺在接到订单后48小时内送货上门。
Not only did I get my full eight hours of sleep, but an additional two more hours as well.
我不仅睡足了8小时，还多睡了两个小时。
In general, each of us needs about 8 hours of sleep each day to keep us healthy and happy.
一般来说，我们每个人每天需要大约8个小时的睡眠，以维持健康和保持愉悦。
My best friend Ally and I spare a few hours of our time every week as volunteers for BuddyBall.
我最好的朋友艾丽和我每周都会抽出几个小时的时间来做 BuddyBall 的志愿者。
He says his way of teaching can help anyone learn how to read and write with about thirty hours of study.
他说，他的教学方式可以帮助任何人在约30个小时的学习内，学会如何阅读和写作。
When I applauded, I guess I was showing my appreciation for his skill, the hours of practicing he must have put in.
当我鼓掌的时候，我想我是在表达对他技巧的欣赏，他一定花了很多时间来练习。
Birds shelter in nests, rock overhangs, trees, and dense shrubs to avoid the hottest hours of the day, while mammals like the kangaroo rat burrow underground.
鸟类在巢穴、岩石悬垂处、树丛以及茂密的灌木丛中寻找庇护，以躲避一天中最热的时候；而像更格卢鼠这样的哺乳动物则选择藏身于地下的洞穴中。
Children need 10-12 hours of sleep a day.
儿童每天需要10-12个小时的睡眠。
Grown-ups usually need 6-8 hours of sleep to keep active.
成年人通常需要6-8小时的睡眠来保持活力。
In general, babies need fifteen to sixteen hours of sleep a day.
一般来说，婴儿每天需要15到16个小时的睡眠。
Finally, after about four hours of walking around, we were back.
走了大约四个小时后，我们终于回来了。
Most people need seven or eight hours of sleep to feel their best during the day.
大多数人需要七到八小时的睡眠才能在白天保持最佳状态。
Children and teenagers need nine to ten hours of sleep, while adults need six to eight.
儿童和青少年需要9到10个小时的睡眠，而成年人需要6到8个小时。
After hours of waiting, Mrs Jones still smiled sweetly when she was told that her room was ready.
等了几个小时后，当琼斯夫人被告知她的房间已经准备好时，她依然笑得很甜美。
Teenagers need 8-10 hours of sleep a day because they need lots of energy to grow into their adult bodies.
青少年每天需要8-10个小时的睡眠，因为他们需要大量能量来长成成年人的身体。
According to the Ministry of Education, primary school students should get at least 10 hours of sleep a night.
根据教育部的规定，小学生每晚应至少有10个小时的睡眠时间。
Our courses, totalling 20,000 hours of content in 20 different languages, guarantee you language skills you can use right away.
我们的课程总共囊括了二十种不同语言的内容，总时长达两万个小时，这保证你能学到可立即使用的语言技能。
In May 2020, the National Health Commission urged schools to make sure that students have at least two hours of outdoor activity a day.
2020年5月，国家卫生健康委员会敦促学校确保学生每天至少有两个小时的户外活动。
This article alone took me over 15 hours of writing and editing.
这篇文章花费了我15个小时以上的时间才写完、编辑完。
Dedicating a few hours of free and undisturbed time for yourself.
给自己不被打扰的几个小时自由时间。
The kids will have hours of fun trying to find the last two treats.
孩子们会为了找到最后两颗糖度过几小时的快乐时光。
The strongest, the tenderest, the most logical have their hours of weakness.
最刚强、最柔和、最讲逻辑的人有时也会迷惘。
Also, the quiet hours of the morning are the perfect way to glide into your day.
同时，清晨那宁静的时光是你走进一天的绝佳路径。
I recommend trying to get between at least seven to nine hours of sleep per night.
我建议每晚尽量保证7 ~9小时的睡眠。
Though tired after some 10 hours of traveling by train, he cannot hide his happiness.
尽管经过10个小时的火车车程有点累了，但是他还是难掩喜悦之情。
As it happens, this small step represents many minutes or hours of human effort saved.
恰好，这个简单的操作步骤可以节省大量时间和精力。
In those first couple of hours of the day I feel I have actually accomplished something.
在一天最开始的那几个小时里，我感到自己确实有了一点小小的成就。
In those first couple of hours of the day I feel I have actually accomplished something.
在一天最开始的那几个小时里，我感到自己确实有了一点小小的成就。
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