基本解释adj.贫瘠的同根派生 英汉例句Now recyeled aggregate concrete has been applicated in unbearing structure in industry and civil project, highway road surface project. 目前再生混凝土在工业与民用建筑工程中的非承重结构及公路路面工程中已经有一定的应用。unbearvt. 放松马缰