单词	photomask
释义	photomask noun pho·​to·​mask ˈfō-tō-ˌmask  plural photomasks : a pattern of opaque material used to shield selected areas of a surface (as of a semiconductor) in deposition or etching (as in producing an integrated circuit) : mask sense 3d Word History Etymology photo- + mask entry 1 First Known Use 1963, in the meaning defined above
随便看	pre-scheduled pre-scheduling pre-screen pre-screened pre-screening pre-sentence pre-sentencing pre-service pre-settlement pre-show pre-slaughter pre-sleep pre-slice pre-sliced pre-slicing pre-Socratic pre-song pre-specified pre-specify pre-specifying pre-split pre-stamp pre-stamped pre-stamping pre-sterilization

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