易混淆的单词： SaferSAFER

America 's three biggest cities are becoming safer .

美国最大的三个城市变得越来越安全了。

Take a friend along if you feel safer .

带上一个朋友可以让你感觉更加安全。

Officials stuck to worst case analysis , because it was safer .

官员们执着于最坏的假设情况，因为这样比较保险。

He says victims of violence are congregating there because they feel safer .

他说，排外暴力活动的受害者聚集在那些地方是因为他们感觉比较安全。

Guards are also tagged , so prisoners may feel safer from abuse .

监狱警卫同样也被紧随，这样囚犯可以感觉更加不会遭受他们的虐待。