flagellum

• 指某些细胞和微生物用于运动的细长鞭状附属物，即鞭毛；历史上也指用于惩罚的鞭子。

A noun referring to a slender, whip-like appendage used for movement in certain cells and microorganisms, or historically a whip used for punishment.

不规则复数

1. Whip for punishmentC2formal

   A whip or lash used to inflict punishment, often referred to in a pedantic or humorous context.

   鞭刑鞭

   • In his lecture on Roman discipline, he humorously mentioned the flagellum.
   • The historian described the flagellum as a tool of punishment in ancient times.
   • He used the term flagellum to sound more scholarly about the whip.

   同义词catlashscourgewhip

2. Biological appendageB2formalscientific

   A slender, lash-like appendage found in certain cells (e.g., sperm cells, bacteria, protozoa) used for movement or locomotion.

   鞭毛

   • Sperm cells propel themselves using a flagellum.
   • Bacteria like E. coli have a single flagellum to swim through liquids.
   • The flagellum of a protozoan moves in a whip-like motion.