Ŭk-lī (物理) sê siŏh cṳ̄ng ciŏng-muòng ngiēng-géu ŭk-cék, nèng-liông, kŭng-găng, sì-găng gâe̤ng cī gūi ciáh cĭ găng gì lièng-hiê gì kuŏ-hŏk.
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