单词	trapezium
释义	trapeziumtrapezium /trəˈpiziəm/ noun (plural trapezia /-ziə/ or trapeziums) [countable] Etymology ETYMOLOGYtrapezium Origin: 1500-1600 Modern Latin Greek trapezion small table, trapezium, from trapeza table, from tra- four + peza foot math, geometry a shape with four sides, none of which are parallel
随便看	bed and breakfast bedazzled bedbug bedchamber bedclothes bedding bedeck bedevil bedevilment bedfellow bedlam bed linen Bedouin, the bedpan bedpost bedraggled bedridden bedrock bedroll bedroom bedside bedside manner bedsore bedspread bedstead

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