← Vocabulary
封闭
fēng bì
HSK 4
to close; to seal off; to close down (an illegal venue); closed (i.e. isolated from outside input)
📄 Writing practice sheet (PDF)Characters
封
envelope, letter; to confer, to grant; feudal
radical 寸components ⿰圭寸
闭
to shut, to close; to obstruct, to block
radical 门components ⿵门才