cleaner
过去式：
动词过去式: cleaned
更多词形：
形容词: cleanable | 形容词比较级: cleaner | 形容词最高级: cleanest | 名词: cleanness | 动词过去式: cleaned | 动词过去分词: cleaned | 动词现在分词: cleaning | 动词第三人称单数: cleans |
单词例句：
It's important for the college freshman to keep his nose clean.
对大学新生而言洁身自好是很重要的。
A nurse came to put on a clean dressing for him.
一位护士来给他包上干净的绷带。
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。
The nurse put a clean pad of cotton over his wound.
护士在他的伤口上敷了一块干净的纱布垫。
Her mother had to keep after her to clean her bedroom.
她母亲不得不反复提醒她打扫寝室。
You should always clean up the room.
你应该经常清理房间。
Please clean the window as I can hardly see out.
请把窗子弄干净，我几乎看不到外面。
The mayor is determined to clean up the city.
市长决心清除市内的不良现象。
He didn't clean the room yesterday.
他昨天没打扫房间。