Digestion begins in the mouth with the action of saliva.
消化是在口腔中唾液的作用下开始的。
One sneeze can put as many as 40,000 droplets of saliva and mucus into the air.
一个喷嚏可以将多达40000滴唾液和黏液喷到空气中。
At this stage, the tooth can repair the weakened area with the help of fluoride and minerals in saliva.
在这个阶段，牙齿可以借助唾液中的氟化物和矿物质修复脆弱的部位。
Over and over again, if you put the bell and the food together, pretty soon, the bell will generate saliva.
如果你一再让铃声和食物同时出现，很快，铃声便会促使唾液分泌。
When we sleep, for example, the saliva stream slows, and sulfur producing bacteria gain the upper hand, producing classic "morning breath".
例如，当我们睡觉时，唾液流变慢，产生硫的细菌占上风，便会产生典型的“晨起口臭”。
When Pavlov put food powder in the dog's mouth, and saliva was generated. That's an unconditioned stimulus giving rise to an unconditioned response.
巴甫洛夫给狗喂食，狗会分泌唾液。那就是非条件刺激引起了非条件反射。
Swollen, painful saliva glands.
涎腺肿胀、疼痛。
That saliva was their next study subject.
唾液是他们的下一个研究课题。
These tests may involve taking blood or saliva samples.
检查时会抽取血液或唾液样本。
The saliva glands are on your neck, just below your ears.
涎腺在你的颈部，耳朵下面。
The bug is found in saliva and normally causes no problems.
这种病毒存在于唾液中，一般是不会有什么问题的。
The subjects also gave saliva samples for four of the days.
参加者还提供了四天的唾液样本。
Not twigs, leaves or even feathers, but its own saliva.
不是树枝、树叶甚至羽毛，是它自己的唾液。
Lack of saliva means that the mouth is cleansed more slowly.
唾液缺乏意味着口腔清洗更缓慢。
The gum can stimulate saliva flow, which helps fight plaque .
口香糖能够增加唾液分泌，有助消灭齿菌斑。
Saliva - Your mouth and teeth are constantly bathed in saliva.
唾液—你的口腔和牙齿都不断被唾液洗刷。
When the bell comes connected with food, there's a lot of saliva.
当铃声和食物形成了联系，狗会因为铃声的出现而分泌大量唾液。
They measured the amount of testosterone in their subjects' saliva.
研究者首先测定了被试者唾液中的睾酮水平。
That's achieved by a natural anti-coagulant in the vampire bat's saliva.
这是通过蝙蝠唾液里一种天然的抗凝血剂来实现的。
They put the saliva in a rheometer, a tool that can measure viscosity.
他们把唾液放在流变仪—一个工具中，这样就可以测量唾液粘度。
When your mouth gets dry, there isn't enough saliva to wash away dead cells.
当口腔变得干燥时，口中便没有足够的唾液将坏死细胞冲走。
The human mouth contains about 100 million microbes per milliliter of saliva.
在人类的口中，每毫升唾液含有大约一亿个细菌。
Analyzing a saliva sample can determine an individual's age to within five years.
分析唾液样本可以推断出一个人的年龄，且误差在五岁以内。
Colds can be transferred by saliva, so don't share food that your little one has already eaten.
感冒可以通过唾液传播，所以不要吃小孩吃过的食物。
Mustard is also said to stimulate appetite by increasing the flow of saliva and digestive juices.
据说芥末也能通过增加唾液和消化液的分泌来刺激食欲。
The researchers studied DNA in saliva contributed by 34 pairs of male identical twins, ages 21 to 55.
科学家们分析了34对年龄21至55岁男性同卵双胞胎唾沫中的DNA样品。
The researchers studied DNA in saliva contributed by 34 pairs of male identical twins, ages 21 to 55.
科学家们分析了34对年龄21至55岁男性同卵双胞胎唾沫中的DNA样品。
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