padded envelope（气泡信封）是什么意思？音标发音+图解场景

气泡信封 /ˈpakɪdʒɪŋ ˈfɔː/ n

English: padded envelope · 气泡信封

释义：Envelope that is lined with bubble wrap to protect the contents from humidity and impact damage.

这个词出现在以下图解场景（1）