fear or worry that a person, especially a young child, feels about being separated from a parent or other person that he or she has a close relationship to, or a similar feeling experienced by animals

A lot has been written about separation anxiety in young children starting nursery. 关于幼儿入托的分离焦虑症，已经有很多人写过文章。

When she went to work, it was she who suffered from separation anxiety, not her children. 当她去工作时，患分离焦虑症的是她，而不是她的孩子。

Medication helped calm her dog, a Doberman mix who suffered from severe separation anxiety. 药物治疗帮助她的狗平静下来，这只杜宾犬患有严重的分离焦虑症。