The British researcher fought the disease in Africa in the nineteen fifties and sixties.

这位英国研究人员在上世纪五六十年代在非洲致力于消除牛瘟病。

She worked with Martin Luther King Junior in the push for civil rights for blacks in the nineteen fifties and sixties.

十九世纪五六十年代，她曾与马丁·路德金一起工作推动黑人民权运动。