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gothic arch 尖端拱門。

gothic architecture

For some of these events , the tops of the magnetic loops showed a curious cusp , giving them the pointed appearance of a gothic arch , rather than presenting the usual rounded peak 在一些日焰現象中,磁場環圈頂部顯現出神奇的尖端,看起來就像是有尖頂的哥德式拱門,而非一般常見的圓頂。