柯林斯詞典organelle /???ɡ??n?l/ 1. N a structural and functional unit, such as a mitochondrion, in a cell or unicellular organism 細胞器 返回 organelle劍橋詞典any structure , such as a nucleus or a chloroplast , that has a particular purpose inside a living cell 細胞器官，胞器（細胞中諸如細胞核、葉綠體等細胞組織，有其特定功能） 返回 organelle