sealup;查封
sealupcompletely;密封
Haveyoubankedupthefire?炉子封了吗?
createnoble;封爵
granttitlesandterritoriestothenobles分封诸侯
envelope信封
feudalism,capitalismandrevisionism封资修
FengDeyi封德彝
aletter;一封信
apackofbiscuits一封饼干