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Yawning is often contagious.是什么意思？

Yawning is often contagious.

打哈欠常易于感染.

相关词汇
yawning is often contagious

yawning

n. 打呵欠；adj. 张着大嘴的，打哈欠的；v. 打呵欠( yawn的现在分词 )，张开，裂开；
例句
...the yawning gulf between her fantasies and the tawdry reality.
她的幻想和冷酷的现实之间的巨大差距

is

vt.& vi. 是（be的三单形式；n. 存在；
例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

often

adv. 常常，经常，时常，再三；
例句
Genetic abnormalities are more often associated with faults in paternal DNA than in maternal DNA.
相对于母本DNA,基因畸变往往更多地与父本DNA上的缺陷相关。

contagious

adj. 有传染性的，传染病的，有感染力的，会蔓延的；
例句
...a highly contagious disease of the lungs.
极具传染性的肺病
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
He ought to pay the rent.
他应该付房租。
What a busy day.
多么忙碌的一天啊。
His land is split up into several widely scattered plots.
他的土地被分割成相当分散的几小块。
He speaks fluent Russian.
他说一口流利的俄语。
The modified HLLEW ( Harten - Lax - van Leer - Einfeldt - Wada ) scheme is used for the solution of fluid equations.
其中流体计算的空间离散采用改进的HLLEW ( Harten—Lax -van Leer-Einfeldt-Wada ) 格式.
Scientists, of course, can be expected to be impartial and disinterested...
当然，人们会认为科学家们理所当然是公正客观的。
Such things did not appear to horrify her.
这样的事情她却不震惊.
Simon denied rumours that he was planning to visit Bulgaria later this month...
西蒙否认了他打算这个月晚些时候访问保加利亚的传闻。
Singapore companies should seize these opportunities to carve out a niche for ourselves.
新加坡的公司也应抓紧这些机会来为自己争取一席之地.
Many households have dispensed with their old-fashioned vinyl turntable.
很多家庭都将老式的黑胶唱机束之高阁了。