down在羽絨服里是什麼意思[朗讀]

down在羽絨服里是羽絨的意思。例如duck down，「鴨的絨毛」，即「鴨絨」。例句：a down coat is an insulated winter coat that is filled with fine feathers from a duck or goose.「羽絨服」是一種隔絕寒冷的（insulated）冬衣，裡面填充了羽絨（fine feathers）。