Abraham Lincoln freed the slaves.亚伯拉罕·林肯解放了奴隶

今天的几个句子是有关解放的：1.Before liberation he couldn't maintain his family.解放前他不能养家。2.He joined the Liberation Army in 1972.他于一九七二年参加了解放军。3.He died of hunger before liberation. 解放前他死于饥饿