exudates
n. [医]渗出液（exudate 的复数）；分泌液
v. 渗出；显露；发出（exudate 的第三人称单数，等于 exude）
例句
These results indicated that soybean could alleviate aluminum stress by changing root exudates.
说明大豆通过改变根系分泌作用而缓解酸铝的毒害。
Root exudates and plant remains in soils were concerned as one of the key reasons for these problems in other crops.
许多研究表明根系分泌物与植物残体是连作障碍的关键问题之一。
With the elevation of CO_2, the content of the total organic acids in the two wheats' root exudates increased significantly.
并且，CO_2浓度升高还能够引起有机酸组成的变化，即在临麦2号的根分泌物中出现了琥珀酸。
