protozoan [
,prәutәu'zәuәn]
n. 原生动物
[医] 原生动物, 原虫, 原生动物的, 原虫的
protozoanprotozoa[ noun ]- any of diverse minute acellular or unicellular organisms usually nonphotosynthetic
<noun.animal>
[ adj ]- of or relating to the Protozoa
<adj.pert>
Protozoan \Pro`to*zo"an\, a. (Zo["o]l.)
Of or pertaining to the {Protozoa}. -- n. One of the
Protozoa.
- No vaccine has been possible because the origin is not a bacterium but a protozoan.