Meaning that for grasshopper mice, scorpion venom is actually an analgesic.

这对于食蝗鼠而言, 蝎毒实际上是种止痛剂。

Now, scientists have engineered yeast that can also make one of the most powerful analgesics: morphine.

现在科学家发现酵母也可以用于制作最有效止痛剂之的吗啡。

Essentially, most of the fentanyl that ends up in the U.S. comes through the southern border.

基本上，大部分进入美国的芬太尼(阿片类止痛剂)是通过南部边境进入美国的。

I'm gonna need some rubbing alcohol, some towels and painkillers.

我需要消毒酒精、毛巾和止痛剂。

Traditionally, doctors in the UK have advised back pain sufferers to stay active, do stretching exercises and take painkillers when necessary.

传统而言，英国医生会建议背疾患者多加活动，伸展锻炼，必要的时候吃止痛剂。

He’d also experiment on dwarfs and pregnant women, performing surgeries without any kind of pain relief.

他还会在侏儒和孕妇身上实验，在没有任何止痛剂的情况下进行手术。

Desomorphine was actually patented in the US in 1932 and marketed for a while as a sedative and pain reliever.

Desomorphine 实际上于 1932 年在美国获得专利，并作为镇静剂和止痛剂销售了段时间。

The air was heavy with the perfume of the flowers, and their beauty seemed to bring him an anodyne for his pain.

空气中弥漫着浓郁的花香，它们的美丽似乎为他的痛苦带来了止痛剂。

Over-the-counter drugs like Midol even claim to treat PMS symptoms like tension and irritability, even though they only contain a diuretic, a pain reliever and caffeine.

非处方药像痛经药Midol甚至声称能够治疗像紧张和易怒 这样的经前综合征症状，尽管它们只含有利尿剂、止痛剂和咖啡因。

Alternatively, it can occur when the body's natural painkillers, neurotransmitters such as endorphins that dampen the flow of pain signals, are less readily manufactured.

或者，当身体的天然止痛剂、抑制疼痛信号流的内啡肽等神经递质不易制造时，就会发生这种情况。

All three contain salt, proteins, and antibacterial enzymes, but emotional tears have higher amounts of protein, including stress hormones and natural painkillers that we don't yet know the purpose of.

这三者都含有盐分、蛋白质和抗菌酶，但情绪化的眼泪含有更多的蛋白质，包括压力荷尔蒙和我们尚不清楚其用途的天然止痛剂。