单词：primer(PCR)
引物[PCR]
单词：primer(PCR) 相关文章
Lets go to Wal-Mart, Elizabeth told Kenneth. She wanted to buy some paint supplies. He suggested that they go to Home Depot instead because employees there could tell them exactly what to buy. After arriving there, Elizabeth found a friendly looking
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情景对话： Rita: He's obsessed with the '90s. Max: But you weren't even born. Elliot: I know. I blame her. She couldn't find a man till late in life. Rita: There go the pedicures. 知识点笔记： Pedicure 美脚 Manicure 美甲 Facial 做脸
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每天三分钟学英语