Flowing with water over contaminated surfaces the bubbles effectively take dirt away.

将带有污渍的表面放入水中，这种气泡能够有效清除污渍。

The villagers use contaminated surface water which was funneled from the springs to the local watering hole.

村民们使用被污染的地表水，这些水是从泉水流入当地的水坑的。

There's a very low risk of catching Covid through contaminated surfaces.

通过被污染的表面感染新冠病毒的风险非常低。

These microscopic invaders enter the body via droplets either in the air we breathe, or when we touch our eyes, noses, or mouths after touching a contaminated surface.

这些微小的入侵者要么是通过吸入的空气中的水气，要么是在我们碰过被感染的平面后，又接触了我们的眼睛、鼻子，或嘴而进入我们体内。

This means the virus, which is generally believed to spread by physical touch, contaminated surfaces or close bodily contact could spread in ways atypical to the tropical virus' normal patterns.

这意味着通常认为通过身体接触、受污染的表面或非常密切的身体接触传播的猴痘病毒或能够以与热带病毒正常模式不同的方式传播。

This means that the virus, which is generally believed to spread by physical touch, contaminated surfaces or very close bodily contact could be able to spread in ways atypical to the tropical viruses normal patterns.

这意味着通常认为该病毒是通过身体接触、受污染的表面或非常密切的身体接触传播的，它的传播方式可能与热带病毒的正常模式不同。

H) We found that the number of bacteria transferred to either kind of food didn't depend much on how long the food was in contact with the contaminated surface — whether for a few seconds or for a whole minute.

H) 我们发现转移到任何一种食物上的细菌数量在很大程度上取决于食物与受污染表面接触的时间——无论是几秒钟还是整整一分钟。