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	selectively Selective Service Selective Training and Service Act, the selectivity selector selenium self self- self-abnegation self-absorbed self-absorption self-actualization self-addressed self-adhesive self-aggrandizement self-aggrandizing self-appointed self-assurance self-assured self-aware self-awareness self-centered self-centeredness self-confessed self-confidence

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