parameciumn.
英 ,pærə'miːsɪəm | 美 ,pærə'misɪəm
中文n. [无脊椎] 草履虫,草履虫属
词根词源
paramecium (n.)1752, Modern Latin Paramecium, the genus name, coined from Greek paramekes "oblong, oval," from para- "on one side" (see para- (1)) + mekos "length," related to makros "long" (see macro-).
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