Learner's definition of WOOL
[noncount]
1
: the soft, thick hair of sheep and some other animals羊毛;(动物的)毛 — see also lambswool 2
: cloth or clothing made of wool毛料;毛织物;毛质衣服 —
often used before another noun常用于另一名词前 3
chiefly British : long, thick thread made of wool and used for knitting毛线
pull the wool over someone's eyes
informal
: to trick or deceive someone : to hide the truth from someone欺骗某人;隐瞒真相