esperanto

US /ˌespəˈræntoʊ/

UK /ˌespəˈræntəʊ/

C2 高級
n.名詞世界語
They speak many languages, including Esperanto

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到底有多少種語言? (How Many Languages Are There Really?)

04:34到底有多少種語言? (How Many Languages Are There Really?)

最簡單的語言 (The Simplest Language)

05:25最簡單的語言 (The Simplest Language)