/ˈkɑːnkriːt/ ADJ. existing in a material or physical from; real or solid; not abstract 具体存在的; 实在的;有形的; concrete objects like stones 像石头这样的实物 It exists as a physically concrete from. 它是以具体物质形式存在 I haven’t got any concrete proof. 我没有任何确实的证据。