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Don't arch your back, keep your spine straight.是什么意思？

Don't arch your back, keep your spine straight.

别佝着背，把腰挺直。

相关词汇
arch your back keep spine straight

arch

n. 弓形，拱门，拱形物，足弓，齿弓；vt. （使）弯成拱形，用拱连接，向后弯；vi. 拱起，成为弓形；adj. 主要的，首要的，调皮的，淘气的；
例句
Don't arch your back, keep your spine straight.
别佝着背，把腰挺直。

your

pron. 你的，你们的，尊，玉，乃；
例句
I think there's something a little peculiar about the results of your test.
我认为你的化验结果有点不对劲。

back

n. 背，背部，背面，反面，后面，后部，（椅子等的）靠
例句
He looked back at the abject, silent girl and repeated his question.
他转过头看着这个噤若寒蝉的女孩，又重复了一遍他的问题。

keep

vt. 保持，保留，遵守，阻止；vi. （食品）保持新，保持健康；n. 保持，保养，供养，抚养，生活，生计，饲料；牧草；
例句
The company say they're able to keep pricing competitive...
该公司说他们能够使定价保持竞争力。

spine

n. 脊柱，脊椎，（动植物的）刺，书脊；
例句
Don't arch your back, keep your spine straight.
别佝着背，把腰挺直。

straight

adj. 直的，连续的，直率的，整齐的；adv. 直地，直接地，坦率地，立即；n. 直线，直线部分；
例句
Brett looked straight ahead...
布雷特直视前方。
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。
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。
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。
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
Wheeler took the chair of this sub-committee...
惠勒担任该小组委员会会议主席。
Troops destroyed the capital and confiscated many works of art as war booty.
军队摧毁了这座都城，并把大量艺术品收缴为战利品。
The manufacturing economy contracted in October for the sixth consecutive month.
10月，制造业经济已经连续第6个月出现萎缩状况。
During the second world war he served with RAF Coastal Command...
二战期间他在英国皇家空军海防总队服役。
Archie kept us amused with his stories.
阿奇一直给我们讲故事来逗我们开心。
Do you think I ought to seal the boxes up?...
你认为我应该把这些盒子封起来吗？
The human spirit is virtually indestructible...
人的精神实际上是不可摧毁的。
By early yesterday, the insurgents had taken control of the country's main military air base.
到昨天清晨为止,叛乱者已经控制了该国的主要空军基地。
If I don't send a picture, he will smell a rat...
如果我不寄出照片，他将有所察觉。
They wooed customers by offering low interest rates...
他们靠提供低息来招揽客户。