18.the use of naked light and open fire is strictly prohibited

严禁使用裸光和明火。

A naked light bulb dangled from the ceiling.

【naked，nakedness，nakedly】天花板上悬吊着一个无罩灯泡。

I smelled engine oil and saw a wop in a purple shirt reading under a naked light bulb with his grandfather's spectacles.

我闻到机油味， 看到一个身穿紫色衬衫的小伙子戴着他祖父的眼镜在裸露的灯泡下看书。