帮忙用英语解释一下这些单词

bright
[braɪt]
adj
emitting or reflecting much light; shining

(of colours) intense or vivid

full of promise

a bright future
full of animation; cheerful

a bright face
quick witted or clever

a bright child
magnificent; glorious

a bright victory
polished; glistening

a bright finish
(of the voice) distinct and clear

(of a liquid) translucent and clear

a circle of bright water

comfortable
adj
giving comfort or physical relief

at ease

free from affliction or pain

(of a person or situation) relaxing

having adequate income

(of income) adequate to provide comfort

convenient adj
suitable for one's purpose or needs; opportune

easy to use

close by or easily accessible; handy

cram
[kræm]
vb
to for