请将紧急按钮放在触手可及的地方。

Please keep the emergency button within ___reach.

饼干罐被放在高高的架子上，让幼童够不着。

The cookie jar was placed on a high shelf, out of ___reach of the toddlers.

球刚好滚到了他够不着的地方。

The ball rolled just beyond his ___reach.