paramecium

英 [,pærə'miːsɪəm]美 [,pærə'misɪəm]

n. [无脊椎] 草履虫，草履虫属

英文词源

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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