headphone

US /'hedˌfoʊn/

UK /'hedfəʊn/

B2 中高級
n. (c.)可數名詞頭戴式耳機
The left headphone was broken as no sound came out

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這十年死掉的科技 (Tech That Died This Decade)

13:04這十年死掉的科技 (Tech That Died This Decade)