tranquillizer

noun

1. 安定药；镇静剂
   a drug used to reduce anxiety
   1. She's on (= is taking) tranquillizers.
      她在服用镇静剂。

The spellings tranquilizer in American English, and tranquilliser in British English, are also used. 美国英语亦拼作 tranquilizer，英国英语亦拼作 tranquilliser。


1. 安定药;镇静剂
   A tranquillizer is a drug that makes people feel calmer or less anxious. Tranquillizers are sometimes used to make people or animals become sleepy or unconscious.

1. Therefore, according to the changes of recovery rate, the PH value of aqueous solution has a significant effect on the extract that is the magnetic bead of nano-amino. As for the tranquillizer, the rate of recovery can be optimal only at an alkaline pH value.
   从回收率中可以看出，溶液pH值对纳米氨基磁珠的萃取有较大影响，安定只有为碱性时才能得到满意的回收率。

noun

1. a drug used to reduce stress or tension without reducing mental clarity

   Synonym:    tranquilizertranquilliserantianxiety agentataractic drugataractic agentataractic