Ribosome A small organelle that is the site of protein synthesis in the cell . ribosomes are found in large numbers in all cells, free in the cytoplasm or bound to endoplasmic reticulum.是什么意思_Ribosome A small organelle that is the site of protein synthesis in the cell . ribosomes are found in large numbers in all cells, free in the cytoplasm or bound to endoplasmic reticulum.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句