n.考拉；树袋熊
The koala is the most popular animal in this zoo. 考拉是这个动物园里最受欢迎的动物。
The koala is unique to Australia. 树袋熊是澳大利亚独有的。
I saw a koala mother with her baby on her back. 我看到了一只树袋熊妈妈和它背上的小树袋熊。
