a rainbow appears/forms (in the sky)
rainbow 作主语时，常与 appear、form、arch 等动词搭配，表示彩虹出现。
A rainbow appeared in the sky just after the rain.
雨刚停，天空中就出现了一道彩虹。
彩虹；虹
rainbows — plural of rainbow
多种多样；五花八门；幻想；虚幻的希望；海市蜃楼；虹状色带；光谱；虹鳟鱼；弧线球；慢速曲线球
a curved band of colors in the sky that appears when the sun shines through rain
天空中的多色拱形,由空气中雨滴内的光折射产生
A multicoloured arch in the sky, produced by prismatic refraction of light within droplets of rain in the air.
彩虹向导成员,面向年轻女孩的女童军运动。
A member of the Rainbow Guides, a Girl Guide movement for younger girls.
彩虹
an arc of colored light in the sky caused by refraction of the sun's rays by rain
任何显示光谱颜色的光折射
Any prismatic refraction of light showing a spectrum of colours.
虚幻的希望；幻想
an illusory hope
多样的集合；多种多样
A wide assortment; a varied multitude.
幻觉；海市蜃楼
An illusion; a mirage.
曲线球,尤其是慢速的
A curveball, particularly a slow one.
一种用双脚使球在对手头上划弧的技巧；彩虹过人
A trick in which the player makes the ball arc over the opponent's head using both feet; rainbow kick
虹鳟鱼
Rainbow trout.
After the storm, we saw a beautiful rainbow stretching across the sky.
暴风雨过后，我们看见一道美丽的彩虹横跨天空。
用法提示：rainbow 作名词，指天空中出现的彩色拱形。
AI contextual example
The children pointed at the rainbow and counted its colors.
孩子们指着彩虹，数着它的颜色。
用法提示：rainbow 作名词，指雨后可见的多色光弧。
AI contextual example
A double rainbow appeared over the hills after the rain.
雨后，山丘上方出现了一道双彩虹。
用法提示：rainbow 作名词，指由阳光和雨滴形成的彩色光弧。
AI contextual example
rainbow 作主语时，常与 appear、form、arch 等动词搭配，表示彩虹出现。
A rainbow appeared in the sky just after the rain.
雨刚停，天空中就出现了一道彩虹。
此用法表示“多种多样的一群、一片”，后面接可数名词复数，多用于色彩、选择、人群等。
The market was a rainbow of colours and smells.
市场里色彩缤纷、气味丰富。
该短语含贬义，指一味追求虚幻、无法实现的目标。
He keeps chasing rainbows instead of finishing his degree.
他老是追逐不切实际的幻想，而不去完成学业。
grammar · medium
易错句子I saw rainbow after the rain.
正确表达I saw a rainbow after the rain.
rainbow 是可数名词，单数形式前必须有限定词；汉语名词前没有冠词，所以容易漏掉 a/an。此处泛指“一道彩虹”，要用不定冠词 a。
grammar · medium
易错句子There were three rainbow in the sky.
正确表达There were three rainbows in the sky.
英语可数名词受数词修饰且数量大于一时必须用复数形式，故用 rainbows；汉语名词不随数量变化，容易漏掉复数词尾 -s。
grammar · medium
易错句子The rainbow appeared on the sky.
正确表达The rainbow appeared in the sky.
表示“在天空中”英语固定用介词 in the sky，不用 on the sky；汉语“天上/天空中”不区分 in 与 on，所以容易误用 on。
彩虹出现
A rainbow appeared over the valley after the storm.
暴风雨过后，山谷上空出现了一道彩虹。
双彩虹
We were lucky enough to see a double rainbow that evening.
那天傍晚我们很幸运，看到了双彩虹。
彩虹旗（象征多元与骄傲）
The rainbow flag flew above the city hall during the festival.
节日期间，市政厅上空飘扬着彩虹旗。
五颜六色；五彩缤纷
The market stalls were painted a rainbow of colors.
集市的摊位被涂成了五颜六色。
彩虹尽头（指难以得到的回报）
He believed a fortune was waiting for him at the end of the rainbow.
他相信彩虹尽头有一笔财富在等着他。
追逐不切实际的幻想
Stop chasing rainbows and focus on the job you have.
别再追逐那些不切实际的幻想了，专心做好现在的工作。
发长 /eɪ/ 音 (如 rain, wait)
Choose the next layer that will help you use rainbows with more confidence.
Recommended next
Missing: Confusing words
Complete this area with confusing words.
Includes Context & register & Memory tip
Analyze the context and learn memory tricks to remember it.
More ways to explore
Includes Synonyms & Antonyms
Expand your vocabulary with synonyms and antonyms.
Includes Spelling & sound
Explore words with similar spelling endings or sounds.
Includes Word components & Thematic vocabulary
Learn how to build related words using roots, prefixes, and thematic clusters.
Includes Idioms & Cultural references
Discover idioms, slang, and famous pop culture quotes.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.