v.整理羽毛；精心打扮；沾沾自喜
Juvenile king penguins preen on the shore. 年輕的企鵝首領(lǐng)在岸邊用嘴整理羽毛。
The girl is preening oneself in front of the mirror. 那女孩正對著鏡子梳妝打扮.
He's always preening himself on his success. 他總是對自己的成功沾沾自喜。
v.先約；預(yù)約
