keep clean

• 保持清洁

keep clean的英文翻译是什么意思，词典释义与在线翻译：

参考翻译

• 保持清洁

keep clean的用法和样例：

例句

1. The sidewalk was hosed every day to keep it clean.
   人行道每天都用水管冲刷以保持清洁。
2. Iron corrodes unless it is greased or kept clean.
   如果不涂油或保持清洁铁便会腐蚀。