Since it's considerably less harmful to get nicotine through a gum, patch, or a nasal spray than through tobacco, some doctors permit long-term use of these products.
与通过吸烟的方式获得尼古丁相比，吃口香糖，戴眼罩，使用鼻喷雾剂会带来更少的伤害，所以一些医生允许长期使用这些产品。
Researchers tested the spray before and after sleeping because sleep is thought to help the brain solidify long-term memories while purging extraneous details from the day.
研究人员对睡前和睡后的喷剂分别进行了测试，因为人们认为睡眠能够清理一天记忆中那些无关紧要的细节，从而帮助大脑巩固长期记忆。
Special silex nozzle, smooth inside, Angle precise, long-term spray, without crystal.
采用独特的石英玻璃烧制成的喷嘴，内腔圆滑，角度精确，长期喷雾，无结晶。
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