单词	hold tight onto yourselves
释义	hold tight onto yourselves vi.紧张
随便看	photorefractive keratotomy Photorefractive laser surgery photorefractively Photorefractive material photorefractive materials photo refractive materials photorefractive performance photorefractive phenomena photorefractive photonic lattice photorefractivepolyer photorefractive polymer Photorefractive polymers photorefractive properties photorefractive property photo-refractive recording material Photorefractive spatial screening solitons photorefractive spatial solitons photorefractor photorefractoriness photorefractory photorefraetive photonie crystal lattice photoregenerative deodorization filter photoregenerative deodorization member photoregulate Photo-reiuvenation