id·i·o·path·ic /ˌɪdiəˈpæθɪk/
自發的
id·io·path·ic /ˌɪdɪəˈpæθɪk/ 形容詞
自發性的,原發性的,特發性的
Id·i·o·path·ic Id·i·o·path·ic·al a. Med. Pertaining to idiopathy; characterizing a disease arising primarily, and not in consequence of some other disease or injury; -- opposed to symptomatic, sympathetic, and traumatic. -- Id*i*o*path*ic*al*ly, adv.
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idiopathic
adj : (of diseases) arising from an unknown cause; "idiopathic
epilepsy"