substandard

adj below the usual or required standard 低於标准的; 不够标准的: substandard goods 不合格的货物 * She has written good essays before, but this one is substandard. 她以前写的文章不错, 但这一篇却不怎麽样.

subsequent to, subsequently, subservience, subservient, subserviently, subside, subsidence, subsidiary, subsidization, subsidization, subsidisation, subsidize, subsidize, subsidise, subsidy, subsist, subsistence, subsistence crop, subsistence level, subsoil, subsonic, substance, substantial, substantially, substantiate, substantiation, substantive, substantively, substation, substitute, substitute for, substitute...for, substitution, substratum, substructure, subsume, subtenancy, subtenant, subtend, subterfuge, subterranean, subtitle,