I told Ding Yanyan to open the window.
我叫丁研研把窗户打开。
He Yanyan is our English teacher and we usually call her Miss he.
何艳艳是我们的英语老师，我们一般都叫她何老师。
Objective:To set up a method for quality control of Yanyan tablets.
目的：建立咽炎片的含量测定方法。
Objective:To set up a method for quality control of Yanyan tablets.
目的：建立咽炎片的含量测定方法。
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