O

练习内容

[{"word":"object","pronun":"[\u02c8\u0254bd\u0292ikt]","translation":"vi. \u53cd\u5bf9 n. \u5b9e\u7269; \u7269\u4f53; \u76ee\u6807..."},{"word":"ocean","pronun":"[\u02c8\u0259u\u0283\u0259n]","transla