But outer pith cell of hollow center potato was bigger than that of normal one, and the cell wall was thicker.But the wall of pith cell was thiner than that of normal one.是什么意思_But outer pith cell of hollow center potato was bigger than that of normal one, and the cell wall was thicker.But the wall of pith cell was thiner than that of normal one.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句