n. 清洁；洁白
词根：clean
adj.
clean 清洁的，干净的；清白的
cleanly 干净的；爱清洁的
adv.
clean 完全地
cleanly 干净地；清洁地
n.
clean 打扫
cleaner [化工] 清洁剂；清洁工；干洗店；干洗商；洗洁器
cleanliness 清洁
cleaning 清洗；清除；去污；大败
cleanser 清洁剂；清洁工；擦亮粉；使清洁的东西
v.
cleaning 清洁（clean的ing形式）
vi.
clean 打扫，清扫
vt.
clean 使干净
cleanse 净化；使…纯净；使…清洁
1.Keep cleanness, wear soft and cleanness shoes when walking on the floor.
保持地板的清洁，人在地板上行走时须穿干净软底鞋。
2.The cleanness of woodiness floor, is to use floor, and drag with professional dust, liquid clearing.
木质地板的清洁，是使用专业地板拖，配合牵尘液，进行清理。
3.Basic rule of cleanness factor changing with time is taken.
得到凝汽器清洁系数随时间变化的基本规律。
4.I like the cleanness of the display and directions.
我喜欢洁净的显示和方向。
5.Cleaners shall take shift by turn to daily clean, water the site to ensure surface cleanness.
施工区内派清扫班每天定时进行清扫，及时洒水，确保路面清洁；
6.Ensure cleanness effect of account, provide clean consultation to account.
保证客户的清洁效果，为客户提供清洁顾问服务。
7.The answer depends on a kind of response curve of velocity in relation to code cleanness.
答案取决于开发速度随代码洁净度变化的曲线。