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名词 | 形容词
 英语 词库
SERA ['si(ə)rə] 缩写
缩写, 保险 self-employed retirement annuity
缩写, 军队 Sequential Electrochemical Reduction Analysis
缩写, 地球科学 Social Environment and Resources Association
缩写, 微软 Smart Energy Reference Architecture (Alexander Oshis)
缩写, 环境 Socialist Environmental And Resources Association
缩写, 铁路术语 Sierra Railroad Company
serum ['sɪərəm, 'sɪrəm] 形容词
医疗的 The clear, yellowish liquid part of blood that remains after clotting. Serum is used for various laboratory tests.