单词	lithium fluoride
释义	lithium fluoride noun : a crystalline salt LiF used especially in making prisms and ceramics and as a flux Word History First Known Use 1944, in the meaning defined above
随便看	NYC nych nychthemera nychthemeral nychthemeron nychthemerons nyct- Nyctaginaceae nyctaginaceaes nyctaginaceous nyctaginiae nyctaginias nyctalopia nyctalopias nyctalopses nyctanassae nyctanassas Nyctea Nyctemera Nyctereutes nyctereuteses nyctereutesses nycteribiid Nycteribiidae Nycteris

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