harmlessadj.
英 'hɑ:mləs | 美 'hɑrmləs
中文adj. 无害的；无恶意的
词根词源
harmless (adj.)c. 1300, "uninjured," from harm (n.) + -less. Meaning "without power or disposition to harm" is from 1530s. Related: Harmlessly; harmlessness.
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