非常珍贵， 非常需要， 渴求...

at a premium的音标：at a premium的英式发音音标为：[æt ə 'pri:miəm]at a premium的美式发音音标为：[æt e 'primiəm]...

He eventually sold the shares back to the bank at a premium.他最后以高价把股票回售给银行。Skilled workers are at a premium in this town.熟练的技工在这个城市里很受青睐.He worked mainly in New York City where living space is notoriously at a premium.他主...