Whenever there's trauma to the skin, collagen is stimulated to help cell renewal.

每当皮肤受到损伤的时候，就会刺激胶原蛋白的生成，从而促进细胞更新。

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Almost all said that their cell phone was the way they stayed in touch with peers, one-third had used the cell phone to help a peer in need, and about 80% said the phone made them feel safer.

几乎所有人都说，他们用手机与同伴保持联系，三分之一的人曾使用手机帮助有需要的同伴，约80%的人说手机让他们感到更安全。

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Inside the cells of a corn plant, tiny molecules called RNA relay messages to help with cell activity.

玉米植株细胞内，作为RNA的中继消息的小分子帮助细胞保持活性。

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Still others question whether the cell and those to follow can really help improve health and make biofuels.

VOA: special.2010.07.20

But, from this moment forth, cell phone goes off, you're out. You leave the room, OK? And, Lord help you if a cell phone goes off during an exam because those things have text messaging capabilities.

但是，从这一刻开始，手机响的话，你们就出去，你们就离开教室，好吗，上帝保佑你的手机不要在考试期间响起,因为它们有发短信的功能。

麻省理工公开课 - 固态化学导论课程节选

And Lord help you if a cell phone goes off.

如果你把手机关了的话，上帝会帮助你的。

麻省理工公开课 - 固态化学导论课程节选

When illuminated, these "opsin" proteins change the flow of electrically charged ions within the cell, to help the cell turn light into energy or as a sensory cue.

WSJ: Scientists Cast Light Onto Roots of Illness Deep in the Brain

Cherries are full of vitamins and antioxidants that help repair cell damage, low in calories and have been shown to fight heart disease and cancer.

FORBES: The Perfect Snack

If you get in trouble miles from help, your cell phone may or may not work.

FORBES: Magazine Article