基本解释植物干细胞英汉例句双语例句Shortening of plant height, coarse stem were the results of inhibited cell elongation and expansion of the cells.植株高度变低、茎变粗是由于细胞伸长受抑制，促进了细胞扩大；plant stem cell更多例句专业释义生物学植物干细胞