"洗"用英语表达为"wash"，这个词来源于古英语中的"wascian"，意思是"使干净"。
例句：
I need to wash my hands before eating. (我需要在吃饭前洗手。)
Can you please wash the dishes? (你能把盘子洗干净吗？)
He washed the car this morning. (他今天早上洗了车。)
She washed her hair yesterday. (她昨天洗了头发。)
注意，"洗"还有其他的意思，如"洗衣服"、"洗澡"等，表达方式也不同。