1. She hates specifically that boy .
    她特别地恨那个狗男孩.

2. Specifically, some experts are concerned about the creation of a new (and disrespected) social class: "the clones".
    具体说来，有些专家担心会出现一个新的（和不被尊重的）社会阶层，即"克隆阶层"。

3. Which is specifically concerned with preventing muscle inactivity.
    以防止肌肉活动停止。