eager的名词是什么意思

　　He was eager to communicate his ideas to the group.

　　他急于把他的想法传达给小组。

　　Arty sneered at the crowd of eager faces around him.

　　阿蒂对周围满脸热切的人们报以冷笑。

　　The pool was declared open and eager swimmers plunged in.

　　游泳池刚刚宣布开门，游泳的人就急切地跳入池中。