我们需要保护濒临绝种动物。
但事实上，想要克隆绝种动物，我们还要很长的路程要走。
But in fact we are a long way from being able to clone extinct animals.
我们的动物园将充满现已绝种的动物。
Our zoos will most likely fill with animals that are now extinct.
我们若继续破坏乡村环境，将会有更多的动物绝种。
If we continue to destroy the countryside, many more animals will become extinct.
人们为取得象牙而杀害它们，现在它们成了濒临绝种的动物。
People kill them for their tusks. Now they are an endangered species.
这类动物已经绝种。
其次，动物园也具备保护某些动物免于绝种的功能。
Second, they also serve as a way of protecting some species from extinction.
动物的绝种有许多原因。
动物的绝种有许多原因。
应用推荐