colorless
用法要点
形容词用法
colorless 主要作形容词，直接修饰名词，描述物体缺乏颜色或抽象事物缺乏特色。
介词搭配
常与介词如 in、of 连用，表示在某种状态下或具有某种特性，例如在化学中描述物质。
语域说明
colorless 在科技、化学领域常见，指无色透明；在日常用语中可比喻平淡无奇，略带贬义。
基础例句
The water in this glass is completely colorless and clear.
这个玻璃杯里的水完全无色透明。
She described the movie as colorless and boring.
她形容这部电影平淡无奇，很无聊。
The gas emitted from the factory is colorless but harmful.
工厂排放的气体无色但有害。
His speech was so colorless that everyone lost interest.
他的演讲如此乏味，以至于大家都失去了兴趣。
高级例句
In chemistry, many colorless compounds are used as solvents in laboratory experiments.
在化学中，许多无色化合物被用作实验室实验的溶剂。
The financial report was criticized for its colorless presentation of data, lacking visual aids.
这份财务报告因数据呈现平淡无奇、缺乏视觉辅助而受到批评。
Colorless diamonds are highly valued in the gemstone market for their purity and clarity.
无色钻石因其纯度和透明度在宝石市场上备受推崇。
The author's writing style is often described as colorless, focusing on facts without emotional depth.
这位作者的写作风格常被描述为平淡，注重事实而缺乏情感深度。
高频搭配
adjective
noun
verb
adverb
preposition
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常见错误
colorless 通常不用于描述天空，因为天空本应有颜色（如蓝色）；应使用 clear 表示晴朗无云。
colorless 形容物体或抽象事物缺乏颜色，不直接用于人脸；描述脸色苍白应用 pale。
近义词辨析
transparent
transparent 强调透明、可看穿，常用于物理性质；colorless 强调没有颜色，可能透明也可能不透明。
Water is colorless and transparent, while some plastics are colorless but not transparent.
dull
dull 指单调、不鲜明，常带贬义；colorless 在比喻中可指缺乏特色，但更中性，尤其在科技语境。
His presentation was dull (boring), but the chemical was colorless (simply without color).