a. 模糊的(无反射的)

Bloom \Bloom\, v. i. [imp. & p. p. {Bloomed}; p. pr. & vb. n.
{Blooming}.]
1. To produce or yield blossoms; to blossom; to flower or be
in flower.

A flower which once
In Paradise, fast by the tree of life,
Began to bloom. --Milton.

2. To be in a state of healthful, growing youth and vigor; to
show beauty and freshness, as of flowers; to give promise,
as by or with flowers.

A better country blooms to view,

Beneath a brighter sky. --Logan.