1650s, from Greek tetralogia, from tetra- (see tetra-) + -logia (see -logy). A group of four dramatic compositions, originally three tragedies (the trilogia) and a Satyric play.
实用例句
1. Objective: To review the perioperative management for tetralogy of fallot ( TOF ) .
摘要目的: 总结 法洛 四联症矫正手术围术期主要并发症的发生率及处理经验.
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2. Clinic research of one stage surgical treatment of Tetralogy of Fallot in infants.
与婴儿法洛四联症一期根治的临床研究>>相似的文献.
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3. Infants and young children with unrepaired tetralogy of Fallot are often blue ( cyanotic ).
