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英语单词
seal
C1高频 NGSL-3英 /siːl/美 /siːl/
noun
密封；封口
an official design or mark, stamped on a document to show that it is real and carries the authority of a particular person or organization
verb
密封；封口
to close an envelope, etc. by sticking the edges of the opening together
在真实视频里记住 seal
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