s. (followed by `to') applying exclusively to a given category or condition or locality
s. highly unusual or rare but not the single instance
a. 独一无二的, 独特的, 稀罕的
1. A unique gift can make any occasion special.
一份独特的礼物可以让任何场合变得特别。
2. She has a unique talent for painting that sets her apart from others.
她在绘画方面有一种独特的才能,使她与众不同。
3. Each person's fingerprint is unique and cannot be duplicated.
每个人的指纹都是独一无二的,无法复制。