扫除

sweep; clean; clear away; eliminate; eradicate; remove; wipe out

愚昧

ignorant; fatuous; benighted; idiocy; ignorance; fatuity

贫困

poverty; destitution; indigence; penury; privation; distress; deprivation; beggary; poor; impoverished; needy; indigent; destitute; penurious; underprivileged; poverty-stricken; strapped; impecunious; straitened; impoverish; in straitened circumstances; poorly off