Her voice was low , a voluptuously soft contralto .
她的嗓音低沉，是听了令人陶醉的柔和的女低音。
In the early 1930s , years before the concert at the lincoln memorial that made her an international symbol of the american civil rights movement , marian anderson , the great philadelphia-born contralto , was probably better known overseas than she was in the united states .
