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。