saliva

简明释义

英[səˈlaɪvə]美[səˈlaɪvə]

n. 唾液，涎

【名】 （Saliva）（美、阿根、意、法、英）萨利瓦（人名）

英英释义

单词用法

同义词

反义词

例句

1.The saliva glands are on your neck, just below your ears.

涎腺在你的颈部，耳朵下面。

2.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”。

3.Analysis of saliva samples indicated no obvious differences.

唾腺样本分析显示，没有明显的差异。

4.What he would do is that he'd put food powder in the dog's mouth to generate saliva.

他的做法是给狗喂食，让狗分泌唾液。

5.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。

6.This saliva can help them to drink your blood more quickly, because it contains a cocktail of anticoagulants.

因为这种唾液含有抗凝剂，可帮助它们更快地吸取你的血液。

7.When you think about food, your saliva 唾液 starts to flow.

当你想到食物时，你的唾液开始流出。

8.The doctor asked for a sample of my saliva 唾液 to test for infections.

医生要求我提供一份唾液样本以检测感染。

9.Excessive saliva 唾液 production can be a symptom of certain medical conditions.

过量的唾液产生可能是某些医疗状况的症状。

10.The enzymes in saliva 唾液 help begin the digestion of food.

在唾液中的酶帮助开始食物的消化。

11.Some animals use their saliva 唾液 to help them catch prey.

一些动物利用它们的唾液来帮助捕捉猎物。

作文

Saliva is a vital fluid produced by the salivary glands in our mouths. This clear liquid, often overlooked, plays a crucial role in our daily lives, particularly in the process of digestion and oral health. Saliva, or 唾液, contains enzymes that begin the breakdown of food as soon as we take a bite. The moment we chew, our bodies spring into action, releasing this important fluid to aid in the digestive process. Without 唾液, eating would be a much more challenging task, as it helps to moisten food, making it easier to swallow and digest. Furthermore, saliva also acts as a natural defense mechanism for our mouths. It contains antimicrobial properties that help to neutralize harmful bacteria and maintain the balance of oral flora. This is essential for preventing dental issues such as cavities and gum disease. In fact, researchers have found that individuals with lower levels of saliva are more prone to these oral health problems. Another fascinating aspect of saliva is its role in taste perception. When we eat, the molecules from our food dissolve in saliva, allowing our taste buds to detect flavors. This means that without adequate saliva, our ability to enjoy food would be significantly diminished. Additionally, saliva helps to wash away food particles and debris, further contributing to our overall oral hygiene. Moreover, saliva plays an essential role in speaking. The fluid helps to lubricate the mouth, allowing for clearer pronunciation and smoother speech. People who suffer from dry mouth, a condition known as xerostomia, often find it difficult to articulate words properly, leading to frustration and social discomfort. The importance of saliva extends beyond just physical functions; it also has psychological implications. For instance, the mere thought of food can trigger the production of saliva, a phenomenon known as the cephalic phase of digestion. This response highlights the connection between our senses and bodily functions, illustrating how our minds can influence our physical state. In conclusion, saliva is far more than just a simple bodily fluid. It is a complex substance that aids in digestion, protects our oral health, enhances our sense of taste, facilitates speech, and even responds to our thoughts about food. Understanding the significance of saliva can lead us to appreciate the intricate workings of our bodies and the essential roles that seemingly minor elements play in our overall well-being. Therefore, maintaining good hydration and oral hygiene is crucial to ensure that our saliva continues to function effectively, supporting our health and quality of life.

唾液是由我们口腔中的唾液腺产生的重要液体。这种清澈的液体常常被忽视，但在我们的日常生活中扮演着至关重要的角色，特别是在消化和口腔健康的过程中。唾液含有酶，可以在我们咬下一口食物时立即开始分解食物。我们咀嚼的那一刻，身体便开始运作，释放这种重要的液体来帮助消化过程。如果没有唾液，进食将变得更加困难，因为它有助于湿润食物，使其更容易吞咽和消化。 此外，唾液还充当我们口腔的天然防御机制。它含有抗微生物特性，有助于中和有害细菌并维持口腔菌群的平衡。这对于预防牙齿问题，如蛀牙和牙龈疾病至关重要。事实上，研究发现，唾液水平较低的人更容易出现这些口腔健康问题。 唾液的另一个迷人之处在于它在味觉感知中的作用。当我们进食时，食物中的分子会溶解在唾液中，使我们的味蕾能够检测到味道。这意味着如果没有足够的唾液，我们享受食物的能力将大大降低。此外，唾液还有助于冲洗掉食物颗粒和残渣，进一步促进我们的整体口腔卫生。 而且，唾液在说话中也发挥着重要作用。这种液体有助于润滑口腔，使发音更清晰，语言更流畅。患有干口症（称为口干症）的人通常发现很难正确表达单词，导致沮丧和社交不适。 唾液的重要性不仅限于身体功能；它还具有心理意义。例如，仅仅想到食物就可以触发唾液的产生，这种现象被称为消化的头相阶段。这种反应突显了我们的感官与身体功能之间的联系，说明我们的思想如何影响我们的身体状态。 总之，唾液远不止是一种简单的体液。它是一种复杂的物质，有助于消化，保护我们的口腔健康，增强我们的味觉，促进言语，甚至对我们关于食物的思考做出反应。理解唾液的重要性可以让我们欣赏身体的复杂运作，以及看似微小的元素在我们整体健康中所发挥的重要作用。因此，保持良好的水分和口腔卫生对于确保我们的唾液继续有效运作至关重要，从而支持我们的健康和生活质量。