| 单词 | invisible ink |
| 释义 | invisible inknounsympathetic ink. Origin of invisible inkFirst recorded in 1675–85 Words nearby invisible inkinviscid, invisible, invisible balance, invisible glass, invisible hand, invisible ink, Invisible Man, invisible shadow, invisible spectrum, invitation, invitational Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for invisible inkinvisible ink nouna liquid used for writing that does not become visible until it has been treated with chemicals, heat, ultraviolet light, etc 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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