清洁的英文：
clean
purity

参考例句：

To cleanse or purify or become cleansed or purified.
（使）清洁，（使）净化

Cleanliness is next to godliness. -- Francis Bacon
清洁仅次于圣洁。--培根

Cleansing, anti-dandruff and moisture
清洁、去屑、滋润皮肤

Clean fuel: Fuel that causes little or no pollution.
清洁燃料：几乎或者完全不产生污染的燃料。

A spotless stove told us that his mother is a diligent housekeeper.
炉子清洁无瑕就表明他母亲是个勤劳的主妇。

The people lived in that city can keep sanitation clean.
住在那个城市的人们能保持公共卫生的清洁。

He then changed into overalls and spent the next eight hours as a dustman
然后他换上工装裤，作为清洁工人度过接下去的八小时。

Product is supplied non-sterile to be subjected to a cleaning process prior to sterilisation and/or its use.
产品于供应时未灭菌,但在灭菌前或使用前必须经过清洁处理.

It occurs in the laceration and contusion as well as in the clean surgical incision
撕裂伤，挫伤和外科清洁切口，都会发生这种现象。

Expenses incurred for cleaner production auditing and training may be booked as enterprise operating costs.
企业用于清洁生产审核和培训的费用，可以列入企业经营成本。

clean是什么意思：
adj. 干净的；整齐的；正派的；公平的
adv. 完全地
v. 使清洁；打扫

a clean getaway; a clean sweep; a clean break.
十足的逃亡；彻底的清扫；彻底的破裂。

This is a clean fight.
这是一场公平的较量。

The spark plug needs cleaning.
火花塞需要清洗一下。

The wool must be clean.
毛织品必须是干净的。

Led a clean life.
过着正派清白的生活

purity是什么意思：
n. 纯洁，清廉；纯度；纯净；纯正

They have debased and defiled the purity of the tongue.
他们亵渎玷污了这种语言的纯洁性。

The purity seems to have fallen.
纯度似乎一直在下降。

The government has an official standard for the purity of silver.
政府对于银的纯度定有官方的规格。

Purity of colour,form,sound,etc
颜色、形式、声音等的纯正.

Synthetic vitamins have established an enviable record in purity of product
合成维生素在产品纯度方面已证实具有出色的记录。