observation
B2고빈도 NGSL-2영국 /ˌɒbzəˈveɪʃn/미국 /ˌɑːbzərˈveɪʃn/
뜻
noun
관찰
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.”
실제 영상으로 observation 외우기
TED / YouTube 정독 강의를 보고, 단어를 탭하고, 간격 반복으로 복습하세요.
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