规定语言学的英文：
prescriptive linguistics

How are prescription drug and blame prescription drug divisional?
处方药与非处方药怎么区分的?

Not in accord with the rules of a prescriptive grammar.
不合语法的不符合规定的语法规则的

The prescription of drugs is a doctor's responsibility.
开药方是医生的职责。

To become invalidated or unenforceable by the process of prescription.
因法定期限完结而丧失权利或不可执行

Take this prescription to the dispensary for your medicine.
把这张药方拿到配药处去配药。

Her brother was an accomplished linguist.
她的哥哥能熟练地说好几种语言。

Sumerian is a linguistic isolate.
苏美尔语是一个孤立的语言。

He is bent on linguistic studies.
他专心致志于语言学研究工作。

Comparative linguistics,religion,etc
比较语言学、宗教等

The linguist does not need to be a consummate phonologist
语言学家没有必要成为练达的音位学家。