Seal

印章

yìnzhāng

(stamp used to impress a design on a soft substance)

印章

yìnzhāng

(facsimile of an impression of such stamp)

圖章 /图章

túzhāng

(stamp used to impress a design on a soft substance)

海狗

hǎigǒu

(pinniped)

海豹

hǎibào

(pinniped)

密封

mìfēng

(to fasten (something) closed so that it cannot be opened without visible damage)

封锁

fēngsuǒ

(to prevent people or vehicles from crossing (something))