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国際科学技術博覧会
International Science and Technology Expositionnoun
は
topic markergrammar
1985
-noun
年
year; counter for years; counter for grades; apprenticeship period (usu. ten years)noun, counter
に
direction, time, indirect object, or target markergrammar
筑波
-proper noun
で
location, means, or scope markergrammar
開催
hold (an event); host; opennoun, suru verb
され
passive, potential, or respect auxiliary-> されるgrammar
た。
past tense or completed actiongrammar