clean

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：

Do you think that they can clean off all these finger marks?

你看他们能够把这些指痕统统擦掉吗？

The ship left Guangzhou with a clean bill of health.

该船带着一份无疫证明书离开了广州。

For one thing they keep the water clean.

一方面，他们可以保持水的清洁。

Clean clothes and good manners are prepossessing.

清洁的衣服和良好的举止能给人以好感。

The stain on his shirt is difficult to clean off.

他衬衣上的污点很难去除掉。

You must keep your clothes clean.

你必须保持衣着整洁。

It's gone clean out of my mind.

我已忘得精光。

The doctor gave him a clean bill of health.

医生给他一份健康良好的报告。

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。