strengthened to prevent silica in the grass from wearing them out... 能够防止草中的二氧化硅磨损牙齿
To prevent the asphyxiation of the shrimps, 不停向富含抗生素的池中输氧
This packing, we hope, will, uh... prevent hemorrhaging. 我们希望这些东西可以止住出血
And to prevent crunching footsteps from revealing his presence, 为了避免踩雪的脚步声暴露行踪
So, paradoxically, it's the roasted sands of Arabia that prevent the gulf 矛盾的是 热浪朝天的的阿拉伯半岛
and only vigorous panting can prevent the birds from fatal overheating. 黑喉鸬鹚只好加速呼吸避免中暑