Word · Frequency #1780
cleaner
干净的；清洁的
cleaner is the comparative of clean.
核心释义
free from dirt, germs, or contamination; not dirty or polluted
- 1.
无污垢、污物或杂质；不脏
Free of dirt, filth, or impurities (extraneous matter); not dirty, filthy, or soiled.
- 2.
无污染、细菌、感染或疾病
Free of contamination, (unwanted) germs, infection, or disease.
- 3.
无瑕疵、污点或缺陷
Free of imperfections, blemishes, or defects.
- 4.
无不道德或犯罪行为
Free of immorality or criminality.
- 5.
无窃听或录音设备、敌方间谍等的渗透
Free of infiltration by covert listening or recording devices (bugs), enemy spies, etc.
- 6.
空的
Empty.
- 7.
光滑、精确且表现良好
Smooth, exact, and performed well.
- 8.
对环境无害的
That does not damage the environment (as much as some alternative).
- 9.
表面流畅无障碍
Allowing an uninterrupted flow over surfaces, without protrusions such as racks or landing gear.
- 10.
起落架和襟翼收起的
Having the undercarriage and flaps in the up position.
- 11.
比例匀称的；形状优美的
Well-proportioned; shapely.
- 12.
完全的；纯粹的；无拘无束的
Utter, complete, total; pure; free from restraint.
无瑕疵的；光洁的；清白的；正派的；完全的；彻底的；纯粹的；空的；未用过的；利落的；干净利落的
用法In use
The desk is clean after I wiped it.
用法提示：clean作形容词，描述桌面“干净的”。
My room is cleaner than my brother's.
用法提示：cleaner是clean的比较级，表示“更干净的”。
This is the cleanest bathroom in the house.
用法提示：cleanest是clean的最高级，表示“最干净的”。
be clean
最常用的系表结构，主语多为具体事物或环境。
The kitchen is clean.
厨房很干净。
keep sth clean
keep 后接宾语，再接形容词 clean 作宾语补足语，表示使某物保持清洁。
Keep your hands clean before eating.
吃饭前保持双手干净。
相关词与表达Connections
搭配Collocations
- clean water
- 干净的水；清洁的饮用水
- Access to clean water is a basic human right.获得清洁饮用水是一项基本人权。
- clean energy
- 清洁能源（不污染环境的能源）
- The country plans to invest more in clean energy.该国计划加大对清洁能源的投资。
- keep a clean sheet
- 保持零封；不失球
- The goalkeeper kept a clean sheet in the final.这位门将在决赛中保持了零封。
- clean record
- 无犯罪记录；清白的历史
- He has a clean record and has never been arrested.他没有犯罪记录，从未被捕。
- clean break
学习提示Learner notes
记忆技巧Memory Tip
想象字母 c 像一把弯弯的扫帚，扫过之后地面干干净净，clean 就是“干净的”。
语境与语域Context & Register
语域：neutral 常见场景：everyday cleaning、hygiene and health clean 表示“干净的；无污垢的”时语气比较中性，通常在日常对话和书面说明中都很常见，没有明显的正式或随意色彩。多用于描述物体、场所或身体部位不脏，也常见于清洁建议和卫生语境。
语法说明Grammar Note
形容词，表示干净、无污垢；可作定语或表语。常接介词of表示‘无…’
发音与拼写Pronunciation & Spelling
根据本词条给出的读音 /kleːn/，英语中几乎没有常用词与其押韵。下面列出的单词多为拼写相似词：bean、lean、mean、green 的读音均为 /iːn/，如 /biːn/ 等，与原词的 /eːn/ 不同；clear 读 /klɪr/，cleanse 读 /klenz/，在元音和辅音上均不相同。请勿仅凭拼写推断读音。
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.