Held safely inside the cell nucleus are enormaously long molecules, the coiled coils of DNA, cunning spooled and folded within this tiny space.是什么意思_Held safely inside the cell nucleus are enormaously long molecules, the coiled coils of DNA, cunning spooled and folded within this tiny space.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句