observant
adjective uk/əbˈzɜː.vənt/ us/əbˈzɝː.vənt/
(NOTICING)
C2 approving善于观察的;观察力敏锐的;机警的
good or quick at noticing things
"That's a new dress, isn't it?" "Yes, you are observant!" “那是件新衣服,是不是?”“没错,你真是好眼力!”
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