ink就是词根。
n. 墨水，墨汁油墨颜料文字（或纸媒）宣传（乌贼的）墨汁
v. 给……上油墨用墨水画出涂墨水于签署（合同）These ink stains won't wash out.
这些墨渍洗不掉。
The ink had run on the wet paper.
墨迹在那张湿纸上渗开了。
The ink had faded to invisibility.
墨水已退色看不见了。
The message was written in indelible ink.
这条信息是用不褪色的墨水写的。
These ink stains won't come out of my dress.
我衣服上的这些墨水斑点洗不掉。
词根ink+后缀y，中文意思是adj. 漆黑的墨水的给墨水弄污的
He shook his head， then rolled up his tracksuit leg to reveal an inky series of scratchings covering his calf， which depicted... I don't really know what.他摇摇头，然后卷起运动服裤腿，露出他小腿上覆盖的一系列墨水划痕，画的是…… 我实在看不出来是什么。
