| 单词 | second of arc |
| 释义 | second of arcnounsecond2 (def. 4). Words nearby second of arcsecond molar, second mortgage, second name, second nature, secondo, second of arc, second papers, second person, second position, second quantum number, second-rate Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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