Isotopes could also be used in pet food or as a means to protect workers or soldiers from radiation.

同位素也可以用于宠物食品或者作为保护工人或者士兵免受放射。

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But old eating habits die hard and pet owners have a battle on their hands to protect their furry companions from the dinner pot.

但是老旧的吃动物习惯难改，所以宠物主人们不得不采取措施保护自己的宠物。

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Keeping a pet cat puts owners at greater risk of going blind, but a dog appears to protect eyesight, a new study suggests.

一项最新研究表明，养猫会增加主人失明的风险，但是养狗却能保护主人的视力。

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Among other things, he is keen to protect a pet project, Proton, the national car company.

ECONOMIST: The challenge from up north | The

Her research team at Henry Ford Hospital was the first to show that having a pet in the house during your child's first year of life may protect him or her from developing allergies -- a finding that's since been duplicated in other studies.

CNN: Where do allergies come from?