环
Meanings
1. ring
2. hoop
3. loop
4. (chain) link
5. classifier for scores in archery etc
6. to surround
7. to encircle
8. to hem in
Characters used
Examples2
那 是 谁 的 环?
Whose ring is that?
日本 是 个 四面 环 海 的 国家。
Japan is a country surrounded by the sea on all sides.