Definition: a child whose parents have died Level: C2
他们收养了一个孤儿。
They adopted an ___orphan.
这个故事讲述了一个被派去当仆人的年轻孤儿。
The story is about a young ___orphan sent to work as a servant.
灾难过后，几个孩子成了孤儿。
After the disaster, several children became ___orphans.
