| 单词 | safety film |
| 释义 | safety filmnounPhotography. a film having a nonflammable base of triacetate cellulose. Origin of safety filmFirst recorded in 1925–30 Words nearby safety filmsafety circuit, safety curtain, safety-deposit, safety-deposit box, safety factor, safety film, safety fuse, safety fuze, safety glass, safety hook, safety in numbers, there's Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for safety filmsafety film nounphotographic film consisting of a nonflammable cellulose acetate or polyester base Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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