n.(植物的)主根,直根;
例句:
Lawyers and technologists are the taproots of complexity.
律师和技术人员是复杂生活产生的根源。
But a better growing of taproot and a more contents of soluble sugar was showed in treating with bacteria fertilizer than treating with chemical fertilizer.
单独使用菌剂处理的草坪草可溶性糖含量、主根长优于复合肥处理;
Content of CTK and IAA in the leaf were decreased at one week after their taproot were hurt, and then increased.
伤害主根后1周时,叶片细胞分裂素和生长素含量明显下降,随后逐渐回升,根系发育能力越强者恢复正常含量越快。