v.整理羽毛；精心打扮；沾沾自喜
Juvenile king penguins preen on the shore. 年轻的企鹅首领在岸边用嘴整理羽毛。
The girl is preening oneself in front of the mirror. 那女孩正对着镜子梳妆打扮.
He's always preening himself on his success. 他总是对自己的成功沾沾自喜。
v.先约；预约
