名詞 polaroid:

1. (trade mark) a plastic film that can polarize a beam of light; often used in sunglasses to eliminate glare

Po.lar.oid

NONE（無(wú)詞性）
A trademark used for a specially treated, transparent plastic capable of polarizing light passing through it, used in glare-reducing optical devices.
寶麗來(lái)：一種經(jīng)過(guò)特殊處理的透明塑料的商標(biāo)，該塑料能使通過(guò)它的光發(fā)生偏振，用于減少?gòu)?qiáng)光的光學(xué)設(shè)備中
A trademark used for a camera and film that produce instant photographs.
寶麗來(lái)：一種能一次成像的照像機(jī)和膠卷的商標(biāo)