n. [脊椎]树袋熊（koala 的复数形式）
1.I want to see the koalas because they are cute.
我想看看考拉，因为它们很可爱。
2.Why do you want to see koalas?
为什么你想去看考拉？
3.If the decline continues, koalas could be gone by 2040.
按这个趋势，考拉可能在2040年灭绝。
4.The pool is full of little koalas.
池子里满满的都是小无尾熊。
5.Although we couldn't carry koalas, I could take a photo with one.
虽然我们不能抱考拉，但我可以和它合影。
6.My friends like koalas very much because they are cute.
我朋友们很喜欢考拉因为它们很可爱。
7.Do you like koalas?
你喜欢考拉吗？