Grammar Note
通常作定语，用于名词前，表示“彩虹色的”。
彩虹色的；五彩的
先理解核心含义，再看它在真实句子里的用法。
彩虹色的；五彩的
Multicolored, especially in rainbow order.
She wore a rainbow scarf to the night market.
她戴着一条彩虹色的围巾去逛夜市。
多色的,尤其是按彩虹顺序
Multicolored, especially if in rainbow order.
完全由不同花色组成
Composed entirely of different suits.
与彩虹表有关的
Of or pertaining to rainbow tables.
The children painted rainbow patterns on the classroom wall.
孩子们在教室墙上画了彩虹色的图案。
For the costume party, she dyed her hair rainbow.
为了化装舞会，她把头发染成了彩虹色。
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发长 /eɪ/ 音 (如 rain, wait)
Use rainbow naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
通常作定语，用于名词前，表示“彩虹色的”。
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.