「closed book」の発音の仕方 (英語)
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「closed book」の独自の発音を追加します
「closed book」の意味と定義
- Noun
something that baffles understanding and cannot be explained; "how it got out is a mystery"; "it remains one of nature's secrets"
同義語:
something that baffles understanding and cannot be explained; "how it got out is a mystery"; "it remains one of nature's secrets"