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。
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 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。
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。
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。
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 first idea is to use gum to detect malaria indicators in saliva so that blood does not have to be drawn.
第一个想法是利用口香糖来检测唾液里的疟疾指标，这样的话就不用再抽血了。
Tiny specks of saliva sent into the air by coughs and sneezes carry the virus from a carrier to other people.
由咳嗽和打喷嚏带到空气中的唾液滴将病毒从携带者身上带到其他人中。
With just a saliva sample, we can accurately predict a person's age without knowing anything else about them.
只要一点唾液样本，我们就能准确推定出一个人的年龄，而无需任何其他信息。
In fact, the bacteria can actually turn the sugar into a glue which makes it harder to be washed away by saliva.
事实上，这些细菌能够使糖转换成一种胶水，使其更难被唾液冲走。
Viruses in mosquito saliva can be transmitted, but those in the gut cannot infect a new host when a mosquito bites.
存在蚊子唾液里面的病毒是具有传染性的，而那些存在蚊子肠道里面的病毒是无法传染的。
After food, rinse your mouth out with water or chew sugar-free gum to encourage saliva, which neutralises the acid.
吃完后漱口或者嚼无糖口香糖促进唾液分泌，以助中和酸性。
When the mosquito bites again, the parasites mix with its saliva and pass into the blood of the person being bitten.
当蚊子再次叮咬时，这些寄生虫与其唾液混合并进入被叮咬者的血液。
Juiciness increases flavour, helps soften meat - making it easier to chew, and stimulates saliva production in the mouth.
多汁可增强肉质风味，可使肉柔软-易于咀嚼，刺激口腔内唾液的产生。
Juiciness increases flavour, helps soften meat - making it easier to chew, and stimulates saliva production in the mouth.
多汁可增强肉质风味，可使肉柔软-易于咀嚼，刺激口腔内唾液的产生。
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