In 2001, for example, the Environmental Protection Agenc restricted the type and amount of lead that could be present in paint and soil to homes and child-care facilities after concerns were raised about lead poisoning.
2015年12月六級真題(第一套)閱讀 Section A
Notions of modesty restricted women in the victorian era, but they still swam.
2018年12月六級真題(第一套)聽力 Section B
On top of that, most of the 3D food printers now are restricted to dry ingredients, because meat and milk products may easily go bad.