Sumner line
noun
Sum·ner line
ˈsəmnə(r)-
: a line of position determined by Sumner's method
Word History
Etymology
after Thomas H. Sumner, 19th century American sea captain
| 单词 | Sumner line |
| 释义 | Sumner linenoun Sum·ner line ˈsəmnə(r)- : a line of position determined by Sumner's method Word HistoryEtymology after Thomas H. Sumner, 19th century American sea captain |
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