| 单词 | cos |
| 释义 | Word Frequency cos 1 or cos lettuce (kɒs) noun a variety of lettuce with a long slender head and crisp leaves Usual US and Canadian name: romaine. Compare cabbage lettuce Word origin C17: named after Kos, the Aegean island of its originWord Frequency cos 2(kɒz) abbreviation for cosine Word Frequency Cos(kɒs) noun a variant spelling of Kos Word Frequency COSabbreviation for Chief of Staff |
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