In fact, all tires sold in the U.S. have to meet the same federal safety standards, and all will stand up to typical use.

实际上，在美销售的所有轮胎都必须达到同一联邦安全标准，所有的轮胎都能胜任正常的使用。

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Rong Sheng from the school's safety department said, "In the past, our school safety guards had to stand in the middle of the road after school to stop the cars."

该校安全部门的荣生表示：“过去，我们学校的保安在放学后不得不站在路中间阻止汽车。”

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Or when I stand behind the safety line at the luggage carousel to find my way completely blocked within seconds.

还有当我站在行李运输带的安全线后面时，只一瞬间我前面就挤满了人。

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Always practice proper tree-stand safety and wear a safety harness.

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If the United States can stand firm on environmental safety, we can do this profitably without much collateral damage.

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As a country, we promise to stand beside our public safety community and do our part to help keep America safe and secure.

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