求翻译：20世纪美国黑人女性主义文学创作与文学批评虽然到20世纪70年代才真正登上历史舞台，但其所引领的文学思潮和批判视角，却足以发人深思。是什么意思？

20th century African American literature and feminist literary criticism to the 1970s although the real stage of history before, but they lead the literary trends and critical perspective, but enough thought-provoking.

century 20 United States black feminist literary creation and literary criticism while back in the 1970s was only really a player on the stage of history, but its leading literary thought and critical perspective, but it is enough to thought-provoking.

20th century black American feminine principle literature creation and literary criticism although mounts the historical arena only then truly to the 20th century 70's, but its eagerly anticipates the literature ideological trend and the critique angle of view, sufficiently make people think deeply

20th century United States black feminist literature and literary criticism did not actually appear on the scene until in the 1970 of the 20th century, but its literary trends and critical perspective of the lead, but enough to provoking.

20th century African American literature and feminist literary criticism to the 1970s although the real stage of history before, but they lead the literary trends and critical perspective, but enough thought-provoking.