harmfuladj.
英 'hɑːmfʊl; -f(ə)l | 美 'hɑrmfəl
中文adj. 有害的；能造成损害的
词根词源
harmful (adj.)mid-14c., from harm (n.) + -ful. Related: Harmfully. Old English had hearmful but the modern word probably is a Middle English formation.
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