The floor is sealed to prevent water penetration.

地板加了密封涂料防止渗水。

《牛津词典》

The resistors are coated to prevent water films from forming on the surface.

电阻器经过表面涂敷，以避免在其表面形成水膜。

youdao

The real challenge will be to prevent water conflicts from spilling across borders.

防止水冲突蔓延出国界，是一项极其艰巨的任务。

youdao

In Florida, as temperatures fell to record lows, citrus growers sprayed water on their trees to help prevent freeze damage.

VOA: special.2010.01.12

The volunteers placed the plants about five centimeters into the soil to prevent rising and falling water levels from pulling them out.

VOA: special.2009.10.06

People around the world can prevent diseases spread by mosquitoes by removing standing water from their property.

VOA: special.2009.04.13

Multiple sealing rings, fitted throughout the lens body, prevent water splashes and dust from penetrating, making the M.

ENGADGET: Olympus unveils a cavalcade of point and shoot cameras and a PEN lens at CES

Additionally, the camera's frame comes equipped with speaker and microphone filters to prevent water from penetrating the camera.

ENGADGET: Casio trots out world's slimmest shock-resistant digicam: EX-G1 (video)

An operation to prevent water from flooding a hospital has been successful, North Yorkshire Fire and Rescue Service said.

BBC: Friarage Hospital flood threat recedes