complexityn.
英 kəm'pleksətɪ | 美 kəm'plɛksəti
中文n. 复杂，复杂性；复杂错综的事物
词根词源
complexity (n.)1721, "composite nature," from complex (adj.) + -ity. Meaning "intricacy" is from 1790. Meaning "a complex condition" is from 1794.
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