clean的過去式是cleaned。
cleaned[kli:nd] ?
v. ?（使）清潔( clean的過去式和過去分詞 ); 變幹凈; 除去…的灰塵; 使…幹凈;
雙語例句1. He cleaned the flakes away with his coat sleeve. ?
他用大衣袖子把碎屑撣掉。
2. I cleaned myself up a bit, and got the baby ready. ?
我拾掇了壹下自己，把寶寶也收拾妥當。
3. His work clothes, having become saturated with oil, had to be cleaned. ?
他的工作服已經被油浸透，該洗洗了。
4. Under pressure from the public, many regional governments cleaned up their beaches. ?
迫於公眾壓力，許多地區政府對各自海灘進行了清理。
5. When they first captured the port, they virtually cleaned out its warehouses. ?
他們剛占領港口時，把那裏的倉庫簡直搶了個精光。
6. She meticulously cleaned the gun and locked it away in its case. ?
她小心翼翼地把槍擦拭幹凈，放進槍盒裏鎖好。