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 best people to determine the proper distance are your coaches.

能够决定你能有多远的最佳人选是你的教练。

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Different people have different ideas about the proper distance between people conversing.

不同的人有不同的想法如何恰当的距离，人与人之间的对话。

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The process essentially involves making sure that the nozzles are the proper distance from the platform by twisting a series of screws.

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The paper said the majority of errors involved failing to keep proper distance between planes on the ground and in the air.

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Every visitor to the Antarctic continent gets a lecture on dos and don'ts, like keeping proper distance from wildlife, and making sure to avoid even accidental littering.

FORBES: Go with the Floe