1
a watercolor of [subject]
watercolor 指水彩画时，后接 of 引出画中内容。
This is a watercolor of the harbor.
这是一幅描绘港口的水彩画。
水彩颜料
先理解核心含义，再看它在真实句子里的用法。
水彩颜料
watercolor paint
This is a watercolor of the harbor.
这是一幅描绘港口的水彩画。
用水彩颜料创作的画
a painting produced with watercolors
水溶性颜料(用于艺术家)
a water-base paint (with water-soluble pigments); used by artists
水溶性色素
water-soluble pigment
She hung her latest watercolor on the living room wall.
她把她最新的水彩画挂在了客厅的墙上。
He sold three watercolors at the weekend art fair.
他在周末艺术展上卖出了三幅水彩画。
This watercolor of the old bridge was painted by my grandmother.
这幅画着老桥的水彩画是我祖母画的。
watercolor 指水彩画时，后接 of 引出画中内容。
This is a watercolor of the harbor.
这是一幅描绘港口的水彩画。
in watercolor 表示使用水彩颜料这种媒介。
She painted the garden in watercolor.
她用水彩画了这座花园。
be in watercolor 说明作品的媒介是水彩。
The original sketch is in watercolor.
这幅原始素描是用水彩画的。
Not this
She painted two watercolor.
Use this
She painted two watercolors.
watercolor 作“水彩画”讲是可数名词，表示多幅画时要用复数 watercolors。
Not this
She painted the portrait by watercolor.
Use this
She painted the portrait in watercolor.
表示“用水彩（颜料）画”时，固定搭配介词用 in（也可用 with watercolors），不用 by。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
水彩画；水彩绘画
She took a watercolor painting class to learn the basics.
她参加了水彩画课程来学习基础知识。
水彩纸
You need thick watercolor paper to prevent the page from wrinkling.
你需要厚的水彩纸，防止页面起皱。
水彩画笔
A good watercolor brush holds water and keeps a fine point.
好的水彩画笔能含住水并保持笔尖细长。
水彩调色板
He set out his watercolor palette and began mixing blue and green.
他摆出水彩调色板，开始混合蓝色和绿色。
用颜料画水彩画
I prefer to paint in watercolor because the colors blend softly.
我更喜欢画水彩，因为颜色能柔和地融合。
水彩肖像画
The artist painted a delicate watercolor portrait of the bride.
这位艺术家画了一幅精致的新娘水彩肖像画。
水彩，水彩，给我画一幅画。
She added a touch of watercolor to the corner of the page.
她在这页纸的角落加了一点水彩。
Use watercolor naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
watercolor拆成water（水）+color（颜色）：用水调和颜料，就是水彩。
语域：neutral 常见场景：art class、gallery talk、art supply store 通常用于谈论水彩画作品或水彩颜料，属于中性日常用语，比较常见于美术课堂、展览介绍和画材商店等场合。
These words end in the same -color /kʌlɚ/ sound as 'watercolor'. 'Discolor' stresses the -color syllable; the others place primary stress earlier, but the final sounds all match. Beware lookalikes such as 'waterfall' /ˈwɔtɚfɔːl/, which shares 'water' but ends in /fɔːl/, not /kʌlɚ/.
Dictionary facts from ECDICT, WIKTIONARY.