constructiveadj.
英 kən'strʌktɪv | 美 kən'strʌktɪv
中文adj. 建设性的；推定的；构造上的；有助益的
词根词源
constructive (adj.)early 15c., "derived by interpretation," from Middle French constructif or from Medieval Latin constructivus, from Latin construct-, past participle stem of construere "to heap up" (see construction). Meaning "pertaining to construction" is from 1817; "having the quality of constructing" is from 1841. Related: Constructively. Constructive criticism is attested by 1841.
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