smear

vt. 塗、擦上、玷汙、把…擦模糊

vi. 被弄髒

n. 汙點、汙跡、汙衊

學術名詞

污跡：電機工程、電子工程、資訊
汙跡：計量學
掃描：計量學
油跡：紡織科技
污點：紡織科技
污斑：電機工程
拭跡方法：核能
抹片：醫學

英文釋義

slanderous defamation
a thin tissue or blood sample spread on a glass slide and stained for cytologic examination and diagnosis under a microscope
a blemish made by dirt
an act that brings discredit to the person who does it