main; most important主要的；最重要的；首要的◆The care of the environment is of prime importance.保护环境十分重要。 SYN primary of the best quality优质的；优异的；上乘的◆prime office space理想的办公场所◆The store has a prime position in the mall.这家商店位于购物中心一个绝佳的位置。typical典型的；有代表性的◆Qantas is a prime example of a company that exceeded expectations.澳洲航空公司是典型的好于预期的公司。