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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
He was stoking the fire with wood.
他正在给火添木头.
Marla's philosophy of life was that she might die at any moment.
玛拉的哲学是,她随时都会死.
He spliced the two lengths of film together.
他把两段胶卷粘接起来.
The rise of trade such as the European Union and the NAFTA signatories.
一些贸易集团如欧盟和北美自由贸易区出现.
The fountain spouts water into the air.
喷泉的水喷入空中.
This kind of laundry detergent can clean the most difficult smudges.
再难洗的污渍都难不倒这种洗衣粉.
The Tang Dynasty produced a host of great poets, such as Li Bai, Du Fu and Bai Juyi.
唐朝有很多大诗人, 像李白 、 杜甫、白居易等.
For 80 yuan tourists can watch skits, group dances and acrobatics.
“小人国”门票为80元,游客可以观看滑稽小品 、 群舞及杂技等节目.
The big doll, sitting in her new pram smirking, could hear it quite plainly.
大娃娃坐在崭新的童车里,满脸痴笑, 能听得一清二楚.
They tamped down the earth around the apple tree.
他们把苹果树周围的泥土夯实.
Cotton mittens will prevent the baby from scratching his own face.
棉的连指手套使婴儿不会抓伤自己的脸.
Now Alfred began a long series of skirmishes.
然后,艾尔弗雷德发动了一系列的小规模战斗.
The typical guy slouches to side.
“典型男人”走到另一边.
The afternoon heat was suffocating.
下午热得让人透不过气来。