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。

youdao

"I don't see why you couldn't have a meter in the room to register your energy consumption from air-conditioning or heating and you should be charged for that, " he said.

我不明白为什么不能在房间里装上仪表，记录空调或暖气消耗的能源，你应该为此交费。

youdao

S. national air quality standards.During one dust storm, airborne aluminum concentrations exceeded 1,400 micrograms per cubic meter.

一场沙尘暴中，空气中的铝浓度会超过1400微克每立方米。

youdao

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