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yawn    音标拼音: [j'ɔn]
n. 哈欠
vi. 打哈欠,张口
vt. 打着哈欠说 ; [口] 令人生厌的人(物)

哈欠打哈欠,张口打着哈欠说 ; [口] 令人生厌的人(物)

yawn
n 1: an involuntary intake of breath through a wide open mouth;
usually triggered by fatigue or boredom; "he could not
suppress a yawn"; "the yawning in the audience told him it
was time to stop"; "he apologized for his oscitancy" [synonym:
{yawn}, {yawning}, {oscitance}, {oscitancy}]
v 1: utter a yawn, as from lack of oxygen or when one is tired;
"The child yawned during the long performance"
2: be wide open; "the deep gaping canyon" [synonym: {gape}, {yawn},
{yaw}]

Yawn \Yawn\, n.
1. An involuntary act, excited by drowsiness, etc.,
consisting of a deep and long inspiration following
several successive attempts at inspiration, the mouth,
fauces, etc., being wide open.
[1913 Webster]

One person yawning in company will produce a
spontaneous yawn in all present. --N. Chipman.
[1913 Webster]

2. The act of opening wide, or of gaping. --Addison.
[1913 Webster]

3. A chasm, mouth, or passageway. [R.]
[1913 Webster]

Now gape the graves, and trough their yawns let
loose
Imprisoned spirits. --Marston.
[1913 Webster]


Yawn \Yawn\ (y[add]n), v. i. [imp. & p. p. {Yawned}; p. pr. &
vb. n. {Yawning}.] [OE. yanien, [yogh]anien, ganien, gonien,
AS. g[=a]nian; akin to ginian to yawn, g[imac]nan to yawn,
open wide, G. g[aum]hnen to yawn, OHG. gin[=e]n, gein[=o]n,
Icel. g[imac]na to yawn, gin the mouth, OSlav. zijati to
yawn, L. hiare to gape, yawn; and perhaps to E. begin, cf.
Gr. cheia` a hole. [root]47b. Cf. Begin, Gin to begin,
{Hiatus}.]
[1913 Webster]
1. To open the mouth involuntarily through drowsiness,
dullness, or fatigue; to gape; to oscitate. "The lazy,
yawning drone." --Shak.
[1913 Webster]

And while above he spends his breath,
The yawning audience nod beneath. --Trumbull.
[1913 Webster]

2. To open wide; to gape, as if to allow the entrance or exit
of anything.
[1913 Webster]

't is now the very witching time of night,
When churchyards yawn. --Shak.
[1913 Webster]

3. To open the mouth, or to gape, through surprise or
bewilderment. --Shak.
[1913 Webster]

4. To be eager; to desire to swallow anything; to express
desire by yawning; as, to yawn for fat livings. "One long,
yawning gaze." --Landor.
[1913 Webster]

56 Moby Thesaurus words for "yawn":
aperture, boredom, broaching, cavity, chasm, check, clearing,
cleft, crack, dehisce, dehiscence, disclosure, doldrums, doze,
drowse, ennui, fenestra, fistula, fontanel, foramen, gap, gape,
gaping, gat, gulf, hang open, hiatus, hole, hollow, inlet,
interval, lacuna, laying open, leak, nap, opening, opening up,
orifice, oscitancy, oscitate, oscitation, outlet, pandiculation,
passageway, pore, slot, snooze, space, split, stoma, the gapes,
throwing open, uncorking, unstopping, yaw, yawning



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  • Yawn - Wikipedia
    Yawning (oscitation) most often occurs in adults immediately before and after sleep, during tedious activities and as a result of its contagious quality [8] It is commonly associated with tiredness, stress, sleepiness, boredom, or even hunger
  • Why Do We Yawn? - WebMD
    Yawning is a common reflex in which you open your jaw wide, take a deep breath, and then quickly breathe out It lasts about 4-7 seconds and often happens when you're waking up or falling asleep
  • The science of yawning | Ask A Biologist
    Most people yawn up to 28 times a day, especially in the morning and evening But excessive yawning, like yawning multiple times within 15 minutes without being tired or bored, might sometimes signal a medical issue Conditions like multiple sclerosis, anxiety, or stroke can cause frequent yawning due to changes in body temperature or brain
  • Yawning Definition Causes - Cleveland Clinic
    When you yawn, several muscles in your face tense and stretch Sometimes, this can pull on and stimulate your lacrimal glands, which leads to tears and watery eyes
  • Why Do We Yawn? Explore the Science Behind It! - Jagran Josh
    Ever wonder why we yawn when we see someone else do it? Discover the science behind yawning and understand why it's so contagious
  • Why Do We Yawn? | Sleep Foundation
    Scientists still do not know exactly why we yawn, but they have several theories Learn more about what causes yawning and why it is so contagious
  • Why Do We Yawn? Science Explains
    Science explains the reasons why we yawn, whether animals yawn too, and how contagious yawning works Also, sometimes it signals illness
  • Yawning: Causes and reasons for contagious yawning
    A yawn is an involuntary reflex that involves opening the mouth wide and taking in a deep breath, followed by a slow exhale
  • YAWN Definition Meaning - Merriam-Webster
    The meaning of YAWN is to open wide : gape How to use yawn in a sentence
  • Why Do We Yawn? | Britannica
    When we open our mouths to yawn, our jaws stretch down to their near-lowest position, heightening blood flow in the area that is then cooled by the quick intake of air





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