Worldcon, or more formally The World Science Fiction Convention, is a science fiction convention held each year since 1939 (except for the years 1942 to 1945, during World War II). It is the annual convention of the World Science Fiction Society (or WSFS).
权威例句
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Instead of Gaiman, text reading "Worldcon banned due to copyright infringement" appeared.
CNN: Ustream apologizes for killing Hugo Awards webcast
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What happened with Worldcon is that, in common with other awards ceremonies, they showed short video clips of the contenders for each award.
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Worldcon is the conference at which the awards are held.
CNN: Ustream apologizes for killing Hugo Awards webcast