uncommon

1. 不平常的；罕见的
If you describe something as uncommon, you mean that it does not happen often or is not often seen.

e.g. Cancer of the breast in young women is uncommon...
乳腺癌在年轻女子当中并不常见。
e.g. A 15-year lifespan is not uncommon for a dog.
狗活15年并不少见。

2. 非凡的；杰出的；罕有的
If you describe a quality, usually a good quality, as uncommon, you mean that it is unusually great in degree or amount.

uncommon的反义词

e.g. Both are blessed with uncommon ability to fix things...
两人在修理东西方面都身手不凡。
e.g. She read Cecelia's last letter with uncommon interest.
她怀着极大的兴趣读完了塞塞莉娅的最后一封信。

1. 罕见,非凡的：ultimate 最终的 | uncommon 罕见,非凡的 | units 单位,单元

2.

2. 不常见的,不普通的：irrigate 灌溉 | uncommon 不常见的,不普通的 | common sense 有常识的 sense感觉感观

3. 不凡的：uncommitted 未被授权 | uncommon 不凡的 | uncommonly 罕见地

4. 不普通的：unable 不能......的 | uncommon 不普通的 | unhealthy 不健康的