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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；

is

vt.& vi. 是（be的三单形式；n. 存在；

often

adv. 常常，经常，时常，再三；

contagious

adj. 有传染性的，传染病的，有感染力的，会蔓延的；
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
Dogs can deter unwelcome intruders.
狗能够阻拦不受欢迎的闯入者.
Five soldiers were each fined £140 for swiping a wheelchair from a disabled tourist.
5名士兵因偷窃一名残疾人游客的轮椅而每人被罚款140英镑。
The central London hospitals have reacted predictably.
伦敦各主要医院的反应皆在预料之中。
Every spring this snake sloughs off its old skin.
每年春天,蛇蜕去皮.
Children in single-parent families must not be stigmatised.
单亲家庭的孩子们不应该受到歧视。
He smudged the paper with his dirty hands.
他的脏手把报纸弄脏了.
His boy was dead , slain by the hand of the false Amulius.
他的儿子被奸诈的阿缪利乌斯杀死了.
So he got into the shoes snarling.
于是,汤姆一边大喊大叫,一边穿上了那双鞋.
Unlearned and commonsensical countryfolk were capable of solving problems that beset the more sophisticated.
没受过教育但有基本常识的乡下人能够解决那些困扰渊博的人的问题.
The police officer snipped the tape and untied the hostage.
警方把胶带剪断,松绑了人质.
I tried to be friendly, but she snubbed me completely.
我尽量和气，但她根本不答理我。
They broke asunder, sidling out of their benches, leaping them.
他们忽然散开来, 有的侧身从凳子前挤出去, 有的从上面一跃而过.
The house needed totally rebuilding, so we decided against buying it.
这所房子需要彻底重建，因此我们决定不买了。
He singed his hair as he tried to light his cigarette.
他点烟时把头发给燎了。