1. Her eyes were sunken and black-ringed. 她的双眼凹陷且有黑眼圈。
2. The areas are sealed off and ringed by troops. 这一地区被封锁了,被军队包围了。
3. Thousands of demonstrators ringed the building. 成千上万的示威者包围了大楼。
4. More than one hundred police have ringed the area. 一百多名警察已经包围了这个地区。
5. There is already some evidence suggesting that the ringed seal, a phocids species that is similar in size to the harbor seal, may also use a maternal foraging strategy. 已经有一些证据表明环斑海豹,即一种体型与港海豹相似的海豹科物种,可能也会使用母性觅食策略。