For starters, protein is critical for every cell in our body.
首先，蛋白质对我们身体的每个细胞都至关重要。
A motive is just a little cell, a germ, out of which the composer will build other musical material.
动机只是个小小的细胞，一个胚芽，作曲家将从中创造出其他的音乐素材。
The good news for the field of stem-cell therapy comes from a paper published in this week's Lancet.
干细胞治疗领域的好消息来自本周发表在《柳叶刀》杂志上的一篇论文。
Someday we may be able to take any cell and keep it alive functioning and reproducing itself essentially forever through the use of telomerase.
总有一天，我们也许能够利用端粒酶使任何细胞保持活力，使其正常工作并永久地自我复制。
While studying the genetic makeup of corn, a new class of mutant genes was discovered by Barbara McClintock, a discovery which led to greater understanding of cell differentiation.
在研究玉米的基因构成时，芭芭拉·麦克林托克发现了一种新的突变基因，这一发现使人们对细胞分化有了更深入的了解。
I was so impressed with the way you handle the microscope and the samples of onion cells, and with how carefully you observed and diagramed and interpreted each stage of cell division.
你操作显微镜和洋葱细胞样本的方式，以及对细胞分裂各阶段的仔细观察、描绘和解释，让我印象非常深刻。
In addition to connecting peers, cell phones connect children and parents.
手机不仅将同龄人们连接起来，还将孩子和父母连接起来。
There are 2.2 billion cell phone users worldwide, a total that is growing by about 25% each year.
全球有22亿手机用户，这个数字每年以大约25％的速度增长。
A calendar on your cell phone screen is easy to use, and so is a large paper calendar that hangs on your wall.
手机屏幕上的日历使用起来很方便，挂在墙上的大型纸质日历也是如此。
Nowadays, with the rapid development of the information industry, cell phones play a dominant role in people's life.
如今，随着信息产业的飞速发展，手机在人们的生活中起着举足轻重的作用。
In the past two decades, however, continued connection with and dependence on family, thanks to cell phones, email and social media, have increased significantly.
然而，在过去的二十年中，由于手机、电子邮件和社交媒体的出现，人们与家庭的联系和对家庭的依赖显著增加。
Four months later, Pania reluctantly but courageously decided to try to educate the public and to fight for laws to ban drivers from using cell phones while a car is moving.
四个月后，帕尼亚虽然不情愿，但勇敢地决定尝试去教育公众，并争取通过法律禁止司机在汽车行驶时使用手机。
We've weighed so many decisions so carefully in raising our daughters—what school to send them to and what church to attend, when to give them cell phones, and with what precautions.
在抚养我们的女儿时，我们仔细权衡了许多决定——送她们上什么学校，上什么教堂，什么时候给她们手机，采取什么预防措施。
Terry, look up from your cell phone when your father is talking to you.
特里，当爸爸和你说话的时候，把头从手机上抬起来。
Stem cell researchers have found a way to get perfectly usable stem cells from fully grown human beings.
干细胞研究人员已经找到了一种从成年人身上获得完全可用的干细胞的方法。
When I first got my cell phone, I thought it was so cool to text message all my friends who have one, and I was pretty fast with my thumb then.
当我第一次拥有自己的手机的时候，我觉得给所有有手机的朋友发短信是一件很酷的事情，而且我的拇指十分灵活。
Do yourself a favor, simplify your cell phone.
别折磨自己，简化一下你的手机功能吧。
Get a massage and leave your cell phone at home.
享受一次按摩，将手机留在家里。
I got my first cell phone in 1997, when I was 13.
1997年，13岁的我有了第一部手机。
The promise of stem cell technology is extraordinary.
干细胞技术前景非凡。
Billions of people across the world use cell phones.
全世界有几十亿人在使用手机。
Pigs could grow human organs in stem cell breakthrough.
猪可能长出人体器官——干细胞研究的新突破。
A college freshman chats and chuckles on his cell phone.
一名大学新生边讲电话边咯咯笑着。
I may be just a tiny cell, but I'm a part of this whole body.
我只是一个微小的细胞，但是我是整体的一部分。
Just ask the people who have given their lives to the fuel cell.
不信的话就去问问将自己毕生精力奉献给燃料电池研究的人。
The world, literally, could not live without cell phones now.
这个世界现在简直离不开手机了。
Here is how you can change the world — one cell phone at a time.
一个小小的手机就可以改变整个世界。
Here is how you can change the world — one cell phone at a time.
一个小小的手机就可以改变整个世界。
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