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A casual, spoken short form of 'because,' common in relaxed conversation and texting - 'I'm tired cos I didn't sleep well.' It's also the name of a type of long, crisp lettuce often used in Caesar salad (also called romaine). In math, 'cos' is the short way of writing ',' one of the basic functions used with triangles and angles.
(口語)因為的簡寫;蘿蔓生菜(cos lettuce);(數學)cos=餘弦函數
組成Three unrelated short forms: 'cos' for because is just a clipped, spoken version; 'cos lettuce' may be named after the Greek island of Kos; 'cos' in math is short for 'cosine.'
原始詞典資料8 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
cosnoun詞源 1/kɑs/
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Synonym of romaine lettuce, a long-leaved variety of lettuce.
cosdet詞源 4
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Belonging to co. Gender-neutral possessive determiner, grammatically equivalent to the gendered his and her and the singular their.
- Psychiatrists are trained to try to impose the responsibility for a patient’s problem on the patient coself, rather than on cos environment.
- WHEREAS a child’s sexuality is just as much a part of cos whole person from birth as the blood that flows in cos veins, making cos sexual rights inherent and inalienable […]
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。