When someone sneezes (打喷嚏) or coughs, the viruses can travel as far as one meter through the air, so you'd better stand a proper distance while talking to someone who has a cold.

当有人打喷嚏或咳嗽时，病毒可以在空气中传播一米远，所以你在与感冒患者交谈时最好站在适当的距离。

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The 110 meter diameter ferris wheel will lift people 120 meters up into the air, as high as one 35-storey building, and promise a grand view of around 40 square kilometers over the surrounding city.

摩天轮直径达110米，游客乘坐摩天轮最高可达到120米，这相当于35层楼的高度，并可以一览方圆40公里的美景。

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While concentrations varied daily, typical concentrations of lead particles ranged from 0.6 to 1 microgram per cubic meter of air, Bell and her thesis adviser Catherine Cahill found.

Bell和她的论文导师Catherine Cahill发现，尽管浓度含量每天都发生变化，铅浓度含量一般在0.6到1微克每平方米空气之间。

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The effort to stand carried me into the Martian air to the height of about one meter.

VOA: special.2010.07.10

Russia's Natalia Paderina and Georgia's Nino Salukvadze hugged after winning Olympic silver and bronze medals, respectively, in the women's 10-meter air pistol competition.

CNN: Olympic shooters hug as their countries do battle

Raun and Ensor conclude that federal air quality standards are adequate where ozone levels are concerned (at 75 parts per billion), but that lives would be saved if particulate matter standards were tightened below the current level of 35 micrograms per cubic meter of air.

FORBES: Researchers Prove Air Pollution Causes Heart Attacks

Just as suddenly the air deadened, and at one point during the night the wind meter read zero.

FORBES: Life