考研英语高频词汇federal /ˈfedərəl/adj .联邦的 <历年真题考查频次:72次>真题复现1:While warnings are often appropriate and necessary -- the dangers of drug interactions, for example -- and many are required by state or federal regulations, it isn’t clear that they actually protect the manufacturers and sellers from liability if a customer is injured. (1999年text1 P3)