harmful
adj.
mid-14c., from harm, n. + -ful. Related: Harmfully.
〔李〕[harm n. 损害；-ful ⇒“having a tendeney to do harm易于损害的”→] a. causing harm；injurious有害的
〔李〕[harm n. 损害；-ful ⇒“having a tendeney to do harm易于损害的”→] a. causing harm；injurious有害的
| 词汇 | harmful |
| 词根词缀 | Online Etymology Dictionary 词根李平武蒋争 harmful adj. mid-14c., from harm, n. + -ful. Related: Harmfully. 〔李〕[harm n. 损害；-ful ⇒“having a tendeney to do harm易于损害的”→] a. causing harm；injurious有害的 |
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