unique
adj.
c.1600, "single, solitary," from Middle French unique (16c.), from Latin unicus "only, single, sole, alone of its kind," from unus "one" (see one). Meaning "forming the only one of its kind" is attested from 1610s; erroneous sense of "remarkable, uncommon" is attested from mid-19c. Related: Uniquely; uniqueness.
〔蒋〕[un=one一，单一，-ique(=ic)…的] 唯一的，独一无二的
〔李〕[un=one一；-ique (-ic) a.=of……的→] a. of one only;sole唯一的；独一的