While it may be impossible to prevent kids from drinking tap water that may contain trace amounts of chemicals, keeping kids away from lawns recently sprayed with chemicals and freshly dry-cleaned clothes can't hurt.
2015年12月六级真题（第一套）阅读 Section A
柯林斯高阶英汉双解学习词典释义
ADV
刚;才
If something is freshly made or done, it has been recently made or done.
"they are newly married""newly raised objections""a newly arranged hairdo""grass new washed by the rain""a freshly cleaned floor""we are fresh out of tomatoes"
2. in an impudent or impertinent manner;
"a lean, swarthy fellow was peering through the window, grinning impudently"