那只鸽子正在阳光下仔细梳理自己的羽毛。

The dove ___preens its feathers carefully under the sunlight.

他每次出门前都要在镜子前精心打扮一番。

He always ___preens himself in the mirror before going out.

她因为考试得了满分而洋洋得意。

She ___preens over getting full marks on the exam.