flagellum
/fləˈdʒeləm/noun
(pl.flagella)
- Biology a slender thread-like structure, especially a microscopic whip-like appendage which enables many protozoa, bacteria, spermatozoa, etc. to swim【生】鞭毛, 鞭状体。
派生词
flagellar
adjective词源
early 19th cent. (denoting a whip or scourge)： from Latin, diminutive of flagrum 'scourge'.