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thinness of sth
The thinness of the ice caused the accident.
冰的薄导致了事故。
薄；瘦；细
先理解核心含义，再看它在真实句子里的用法。
薄；瘦；细
the state or quality of being thin
The thinness of the ice caused the accident.
冰的薄导致了事故。
薄；细；瘦
The state or quality of being thin.
The thinness of the ice made it unsafe to walk on.
冰层太薄了，走在上面不安全。
To test the thinness of the paper, hold it up to the light.
要测试纸张的薄度，把它对着光举起来。
Its thinness is the main reason I chose this phone.
它的纤薄是我选择这款手机的主要原因。
The thinness of the ice caused the accident.
冰的薄导致了事故。
Thinness in the fabric makes it unsuitable for winter clothing.
织物中的薄使其不适合冬季服装。
His thinness as a model was an asset.
他作为模特的瘦是一种资产。
Not this
She is thinness.
Use this
She is thin.
“thinness”是名词，不是形容词。描述人的体型时应用形容词“thin”。
Not this
The thinness of the board is 2 cm.
Use this
The thickness of the board is 2 cm.
表示尺寸时，应用“thickness”（厚度）而不是“thinness”（薄度），因为“thinness”指薄的程度而非具体测量值。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
极度消瘦；极其单薄
The extreme thinness of the patient worried the doctors.
病人极度消瘦令医生们担忧。
冰层很薄的状态
The thinness of the ice made skating dangerous.
冰层很薄，滑冰很危险。
身体瘦削
Physical thinness is not always a sign of good health.
身体瘦并不总意味着健康。
不健康的消瘦
Her unhealthy thinness was a cause for concern.
她不健康的消瘦令人担忧。
空气稀薄
At high altitudes, the thinness of the air makes breathing difficult.
在高海拔地区，空气稀薄使人呼吸困难。
墙壁很薄
The thinness of the walls meant we could hear everything next door.
墙壁很薄，我们隔壁什么都能听见。
Use thinness naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆联想：thin（瘦/薄）＋ ness（名词后缀）＝‘瘦/薄的状态’，像一根细得几乎看不见的丝线。
语域：neutral 常见场景：描述物品厚度、描述身体瘦削程度、书面或正式语境 该词为中性书面用语，通常用于描述物品的薄厚或人的瘦削程度，口语中更常用thin。
通常不可数，表示薄、细、瘦的状态或程度。
Dictionary facts from ECDICT, WIKTIONARY.