rainbow

名词 rainbow:

1. an arc of colored light in the sky caused by refraction of the sun's rays by rain
2. an illusory hope

1. Now we can bask in the rainbow of the memories that we'll nurture in the years ahead.
   在未来岁月里，让我们在记忆的长虹里永远珍藏对他的怀念。
2. Round about, piles of lime- stone glistened in all the colours of the rainbow.
   周围一堆堆的石灰石，在彩虹一样的斑斓色彩中闪闪发光。
3. Do you see rainbow?
   你看到彩虹了吗？
4. A rainbow is usually seen after a heavy rain.
   大雨之后常有彩虹。

rain.bow

n.（名词）

An arc of all seven spectral colors appearing in the sky opposite the sun as a result of the refractive dispersion of sunlight in drops of rain or mist.
彩虹：由于雨滴或雾滴对阳光有折射分光作用，使空中太阳对面出现的一道有七色光谱的弧
A similar arc or band, as one produced by a prism or by iridescence.
似彩虹：类似的弧或带子，如三棱镜或分光镜造成的
A graded display of colors.
五彩缤纷的排列：颜色的分级显示
An illusory hope:
幻想：虚幻的希望：
例句：
chasing the rainbow of overnight success.
追寻一夜成功的梦

A diverse assortment or collection.
五花八门的聚合：种类众多的集锦或收集物

来源：
Middle English
中古英语
from Old English rônboga
源自 古英语 rônboga
rôn [rain]
rôn [雨]
boga [bow] * see bow 3
boga [弓] *参见 bow3