Nucleolus

[nju:'kli:әlәs]

解释:

(noun.) a small round body of protein in a cell nucleus; such organelles contain RNA and are involved in protein synthesis.

科迪莉亚整理--From WordNet

解释:

(n.) A little nucleus.

(n.) A small rounded body contained in the nucleus of a cell or a protozoan.

校对:塞尔玛