这部电影旨在让观众意识到环境污染问题。

This movie is designed to ___sensitize viewers to environmental pollution issues.

这种化学物质会让皮肤对阳光变得敏感。

This chemical will ___sensitize the skin to sunlight.

这种特殊涂层使相机传感器对弱光更加敏感。

This special coating ___sensitizes the camera sensor to low light conditions.