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tears    音标拼音: [t'ɛrz] [t'ɪrz]
n. 眼泪

眼泪

tears
n 1: the process of shedding tears (usually accompanied by sobs
or other inarticulate sounds); "I hate to hear the crying
of a child"; "she was in tears" [synonym: {crying}, {weeping},
{tears}]

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  • Tears - Wikipedia
    Tears are a clear liquid secreted by the lacrimal glands (tear gland) found in the eyes of all land mammals [1] Tears are made up of water, electrolytes, proteins, lipids, and mucins that form layers on the surface of eyes [2] The different types of tears—basal, reflex, and emotional—vary significantly in composition [2]
  • Facts About Tears - American Academy of Ophthalmology
    Tears are essential to help you see clearly and maintain the health of your eyes They can also help communicate your emotions Your body makes three types of tears Basal tears are in your eyes all the time to lubricate, nourish and protect your cornea
  • Why Do We Cry? The Truth Behind Your Tears
    There are three kinds of tears, and each kind has a very different job Some tears keep your eyes moist, while others wash away debris and protect your eyes from infection Then, there are the emotional tears Here’s why life would look much blurrier without all three kinds 1 Basal tears These are your basic tears
  • What Are Tears Made Of? Types of Tears - Cleveland Clinic
    Tears are the clear, salty solution that glands above your eyes produce in response to different triggers They’re made up of water, salt and more
  • What Are Tears Made Of and Why Do They Happen? 17 Facts
    What you might not realize is that tears contain a lot more than just that — and that they serve some very diverse purposes! Let’s take a look at what tears are, how they work, and some
  • How Tears Work - National Eye Institute
    Tears keep your eyes wet and smooth, and they help focus light so you can see clearly They also protect your eyes from infections and irritating things, like dirt and dust Find out what tears are made of and how they protect your eyes
  • The Composition of Tears and Their Role in Eye Health
    Tears keep the surface of our eyeballs clean and moist and help protect our eyes from damage Tears are made of mucus, water, and oil, and each component plays a role in the eye
  • Tears | Dry Eye | MedlinePlus
    Your tears clean your eyes and keep them moist Read about tears and what can go wrong, like too many tears, too few tears, or tear duct problems





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