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751, symphony n.交响乐;交响乐团 They play over the whole symphony. 他们把整个交响乐重新演奏了一遍。 752, symposium n.酒会;座谈会 n. 讨论会, 专题报告 The symposium on AIDS research lasted two days. 艾滋病研究的报告会持续了两天。 753, symptom n.症状,征候,征兆 The doctor told her to watch out for symptoms of measles. 医生叫她注意麻疹出现的症状。 征兆 The symptoms manifested themselves ten days later. 十天后征兆显露出来了。 754, synthesis n.合成;综合,综合物 We made a synthesis of their studies. 我们综合分析了他们的研究报告。 〈化〉合成 They act at least a temporary block to DNA synthesis in micro-organisms. 它们在微生物中至少对DNA合成起暂时性的阻止作 755, tablet n.碑,匾;药片 She took down the tablets in one gulp. 她把那些药片一口吞了下去。 简; 碑, 牌匾 756, tackle vt.解决,对付 n.用具 | 
