Special subepidermal cells were found to exist beneath the epidermises of H. cordata stems and leaves and secretory cells were found to exist in the cortex and pith of the stems.是什么意思_Special subepidermal cells were found to exist beneath the epidermises of H. cordata stems and leaves and secretory cells were found to exist in the cortex and pith of the stems.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句