the cleanliness of [sth]
cleanliness 通常为不可数名词，此结构表示“……的清洁”。
The cleanliness of the room was impressive.
房间的清洁程度令人印象深刻。
清洁；干净
cleanlinesses — plural of cleanliness
干净或习惯性清洁的性质；良好的卫生。；仪式上的纯洁。
the habit or practice of keeping yourself and your surroundings clean
干净或习惯性清洁的性质；良好的卫生。
The property of being cleanly, or habitually clean; good hygiene.
仪式上的纯洁。
Ritual purity.
The restaurant was praised for its cleanliness and friendly service.
这家餐厅因整洁和友好的服务而受到称赞。
用法提示：cleanliness 是名词，指环境清洁的状态。
Personal cleanliness is important for staying healthy.
个人清洁对保持健康很重要。
用法提示：cleanliness 是名词，指保持清洁的习惯。
She always checks the cleanliness of the kitchen before cooking.
她做饭前总会检查厨房是否干净。
用法提示：cleanliness 是名词，表示干净程度或清洁状况。
cleanliness 通常为不可数名词，此结构表示“……的清洁”。
The cleanliness of the room was impressive.
房间的清洁程度令人印象深刻。
Kitchen staff must maintain cleanliness at all times.
厨房工作人员必须时刻保持清洁。
侧重与健康相关的清洁习惯，不用于形容房间或物体表面的整洁。
强调外表整齐有序、不凌乱，用语较轻，不一定涉及杀菌消毒。
语气很强，表示完全没有污渍的彻底清洁，比 cleanliness 更书面、更夸张。
grammar · medium
易错句子The kitchen is very cleanliness.
正确表达The kitchen is very clean.
cleanliness 是名词，表示“清洁的状态”；要描述厨房很干净，需要用形容词 clean 作表语。
grammar · medium
易错句子We should do cleanliness every day.
正确表达We should do the cleaning every day.
汉语“做清洁”指打扫这个动作，英语用 do the cleaning；cleanliness 指清洁的状态或习惯，不能与 do 搭配表示打扫。
grammar · medium
易错句子Cleanliness are important for health.
正确表达Cleanliness is important for health.
cleanliness 是不可数名词，作主语时谓语动词要用单数 is。
指不干净的状态，与‘清洁’相对；侧重客观状态而非习惯。
‘cleanliness’的直接反义词，指缺乏保持清洁的习惯或性质。
指极度的肮脏，程度比 dirtiness 强，带有厌恶感。
指因忽视或贫困而造成的污秽杂乱状态，与 cleanliness 的‘整洁’相反。
指外表污浊不整洁，多形容人或衣物的状态。
cleanness 强调物体或物质本身洁净的状态；cleanliness 强调个人保持清洁的习惯或卫生状况。
clean 是形容词，说明某物干净；cleanliness 是名词，指清洁的习惯或状态。
cleaner 指做清洁工作的人或清洁产品，是具体名词；cleanliness 是抽象名词，指清洁这一状态或习惯。
个人卫生；个人清洁
Personal cleanliness is important in the food industry.
个人卫生在食品行业很重要。
清洁近乎虔诚
My grandmother always said that cleanliness is next to godliness.
我祖母总说，清洁近乎虔诚。
保持清洁
Hospital staff must maintain cleanliness at all times.
医院工作人员必须时刻保持清洁。
清洁标准
The restaurant failed to meet basic cleanliness standards.
这家餐厅未能达到基本的清洁标准。
促进清洁；宣传卫生
The campaign promotes cleanliness in public spaces.
这项运动促进公共场所的清洁。
严格清洁（要求）
The laboratory requires strict cleanliness.
实验室要求严格清洁。
clean + -liness
root
clean + -ly
clean + -er
un- + clean
与保持身体及环境清洁相关的习惯与实践
涉及环境卫生和清除污物以预防疾病
个人清洁与外表整理的行为
涉及日常清扫与整洁维护
彻底清除微生物以确保洁净安全
清洁近乎虔诚
My mother insists that cleanliness is next to godliness and makes us tidy our rooms every day.
我妈妈坚持认为清洁近乎虔诚，让我们每天整理房间。
清洁近乎圣洁（谚语，强调保持清洁是美德）。
My grandmother always says, 'Cleanliness is next to godliness,' before she starts scrubbing the kitchen.
我奶奶在开始擦洗厨房之前总说：‘清洁近乎圣洁。’
Dictionary facts from ECDICT, WIKTIONARY.