词汇 | saliva |
释义 | saliva noun[ U ] uk /səˈlaɪ.və/ us /səˈlaɪ.və/ the liquid produced in your mouth to keep the mouth wet and to help to prepare food to be digested口水,唾液,涎 Synonym spit Animal physiology: bodily fluids & their production biliary bilirubin bodily fluid bogy break out in a cold sweat gob perspire purulent pus salivary salivate salivation semen seminal fluid seminiferous slag slaver slobber sweat bucketsidiom sweaty A healthy person makes between one and two liters of saliva every 24 hours. And saliva is good at fighting germs, too. Babies drool because they can't keep saliva in their mouths. But it’s not good to spit out your saliva in public. One way of finding the surface is to see which way your saliva falls. So babies make a lot of saliva to keep their gums wet. Some birds called swifts use saliva to build their nests. The birds make the nest with their saliva. The saliva of Komodo dragons is full of bad bacteria. You really don’t want to go near a Komodo dragon or its saliva. saliva | American Dictionarysaliva noun[ U ] us/səˈlɑɪ·və/ biology the natural, watery liquid in the mouth that keeps it wet and helps prepare food for digestion Examples of salivasaliva Midnight and three early morning saliva samples were collected to measure free cortisol levels. Such dramatic responses to aphid feeding are unusual and probably indicate the involvement of toxic aphid saliva or hypersensitive reactions of the cypress trees. While manipulating the spermatophore, the male also secretes saliva, which is believed to serve as a lubricant. A 10-fold greater quantity of saliva was also tested, but the same result was obtained (data not shown). An advantage of the naturalistic camp setting was that it permitted the collection of saliva from the children during uniform time periods. The presence of the virus in the saliva may be due to its primary replication or its reactivation as occurs in other herpesviruses infections. A saliva sample was collected during the interview as par t of the instructions for collecting two morning saliva samples on successive mornings. The subjects were asked to put the filter paper in their mouth until it was saturated with saliva. Each antimicrobial treatment was examined in at least three independent flowcell experiments using different saliva pools. To reduce inherent variations, saliva used in these experiments was collected and pooled from six or more individuals. The composition of sandfly saliva varies considerably between species and even between populations of different geographical origin. Inhibitors of the bloodcoagulation cascade are the most characterized entities from the saliva of ticks. A recent study found that male and female athletes with the highest saliva testosterone concentrations tended to have higher rankings within the team. In addition to the host's diet at different intervals during the day, oral bacteria in vivo can also obtain nutrients from saliva. For each subject, the average cortisol level across the four saliva samples was computed. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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