「保溫瓶」、「保溫杯」的英文怎麼說？

「保溫瓶」的英文說法是 thermos bottle 或是簡稱為 thermos

thermos [ˋθɝməs] 這個字和 Coke / coke 的用法相似

原本第一個字母該大寫，是一家公司特有的註冊產品

但後來因為太普及，市佔率高而成為此種產品的統稱

當作統稱時則不必大寫

所以「保溫杯」就是 thermos cup / thermos mug

但星巴克的「隨行杯」則是叫 tumbler [ˋtʌmblɚ]

本來指的是平底而且沒有把手的酒杯

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