proof
B2高頻度 NGSL-3英 /pruːf/米 /pruːf/
意味
noun
証拠
information, documents, etc. that show that something is true
“conclusive/definitive/scientific proof”
動画の実例
LingoTube レッスンの実際の字幕から
“And further proof that Langley was motivated by the wrong thing: the day the Wright brothers took flight, he quit.”
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実際の動画で proof を覚える
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