sap

树液, 体液, 活力, 坑道, 消弱, 警棍

a watery solution of sugars, salts, and minerals that circulates through the vascular system of a plant

使排出体液, 使伤元气, 使衰竭, 挖坑道逼近, 逐渐侵蚀

excavate the earth beneath

挖坑道, 消弱

excavate the earth beneath

树液