observation

B2高頻度 NGSL-2
/ˌɒbzəˈveɪʃn/ /ˌɑːbzərˈveɪʃn/

意味

noun
観察
the act of watching somebody/something carefully for a period of time, especially to learn something
Most information was collected by direct observation of the animals' behaviour.

実際の動画で observation を覚える

TED / YouTube の精読レッスンを見て、単語をタップ、間隔反復で復習。

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observation の意味・発音・動画の実例 | LingoTube 辞書