adj. 更稀罕的；更珍贵的（rare 的比较级）
1.The most creative people imitate rarer, more brilliant sources and cover their tracks.
最有创意的人模仿罕见的、更加优秀的资源，然后掩盖其模仿的痕迹。
2.Taxis on a rainy New York night are rarer than sunshine.
在纽约的雨夜打车比见到阳光还难。
3.Non-radioactive carbon comes in two forms: 12C and the heavier (and much rarer form) 13C.
非放射性碳以两种形式存在：12C还有较重（并且更罕见）的13C。
4.Programs using yacc, but not lex, are rarer.
使用yacc而不使用lex的程序比较罕见。
5.The great thing about getting older is that this sort of public failure gets rarer too.
年龄增长的一个好处，就是这种当众失败的情况越来越少见。
6.It is rarer for coaches to live apart from their family.
但是教练和他们的家人分居就少见了。