Although rare, mass extinctions change the course of history like nothing else. 大规模灭绝虽然罕见 但会极大地改变历史的进程
With little food on offer, down here, they're rare. 在这里 食物很少 因此它们的数量也很稀少
There are rare birds living around here. 附近住着珍贵的鸟类
which is kind of a rare combination... 这情况挺少见的
can find these rare birds so their home can be saved. 能找到并保护这些珍稀鸟类的家
It's rare that I find someone so non-patronizing. 我也很少遇到不看低我的人
They always enjoy themselves, which is so rare. 他们很难得这么开心