为最差 meaning in English

rogue wave stl

Washington , jan 8 ( reuters ) - france , japan and australia rated best and the united states worst in new rankings focusing on preventable deaths due to treatable conditions in 19 leading industrialized nations , researchers said on tuesday
华盛顿， 1月8日（路透社）在（因可控制条件的）死亡预防方面，最新的一项排名表明，在19个发达工业化国家中法国，日本和澳大利亚表现最佳，而美国则为最差。