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杠杆和滑轮是简单机械.用英语怎么说？

杠杆和滑轮是简单机械.

Levers and pulleys are simple machines.

相关词汇
levers and pulleys are simple machines

levers

n. <物>杠杆( lever的名词复数 )，操作杆，施压的行为；
例句
Figure 10 - 8 : Ejector seat levers have catastrophic results.
图10-8弹射操纵杆具有灾难般的后果.

and

conj. 和，与，而且，于是，然后，因此；
例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

pulleys

n. 滑轮（组），滑车( pulley的名词复数 )，皮带轮；
例句
Levers and pulleys are simple machines.
杠杆和滑轮是简单机械.

are

vi. （用于第二人称单复数现在时，第一、三人称复数现在时）是；n. 公亩（等于100平方米）；
例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。

simple

adj. 简单的，单纯的，易受骗的，天真的；n. 笨蛋，愚蠢的行为，出身低微者；
例句
The older child should be able to prepare a simple meal...
那个年纪稍大的孩子应当会做一顿简单的饭菜。

machines

n. 机器( machine的名词复数 )，机械装置，机动车辆，飞机；
例句
...13 year-olds spending their pocket money on fruit machines in arcades.
将零花钱花在游戏机室中水果盘老虎机上的13岁的少年们
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
In half an hour, they'd switched the tags on every cable.
半个小时内，他们就给每根电缆都换了标签。
...driving through the ravishing scenery of Cumbria and Yorkshire.
开车经过风景如画的坎布里亚郡和约克郡
Eric is very badly misunderstood...
人们对埃里克误会很深。
It is drama featuring fictional characters.
这部戏剧中的人物是虚构的。
Don't neglect writing to your mother.
不要忘了给你母亲写信。
However, the mRNA level of Arc showed no significant changes after propofol and bicuculline methiodide administration.
然而, 注入异丙酚和甲碘化荷包牡丹碱后mRNA水平弧无显著变化.
Right leg arthralgia, be short of calcium, be still synovitis?
右腿关节痛, 是不是缺钙, 还是滑膜炎?
Reduce your salt intake.
减少盐的摄入量。
When done, return to your homepage to see the results.
所有这些步骤做完后, 你可以返回主页查看结果.
He wanted to create a society of opportunity where benefits became available to the many.
他想建立一个充满机遇的社会，在这个社会里多数人都可以享受到社会福利。