the ability to think, see or hear clearly (思维、视力、听力的)敏度,敏锐 a child’s visual acuity 儿童的视力
Word Originlate Middle English: from Old French acuité or medieval Latin acuitas, from Latin acuere ‘sharpen’ from acus ‘needle’.
👨🏻🏫 Mr. Ng 牛津詞典 📚 – oxford.mister5️⃣.net
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