| 例句 |
Outside the breeding season pumas are usually solitary.除了繁殖季节，美洲狮通常独来独往。The number of cougar attacks on humans can be counted on the fingers of one hand.美洲狮袭击人的事屈指可数。Experts are not sure what is causing the recent rash of mountain lion sightings.专家不能肯定是什么原因导致美洲狮最近频频现身。 |