- 重点词汇
- ifconj.如果;假若;倘若;当;无论何时;每次;与will或would连用，表示客气地请求;即使，虽然;〈口〉是否;假设;
- andconj. 和，与;而且;于是，然后;因此;
- air resistance空气阻力;
- motionlessadj.不动的，静止的;呆若木鸡的;不运动的;
- gravityn.重力;严重性;庄重;
- hangv.悬挂;下垂;披下;被绞死;被挂在墙上;贴（墙纸）;安装;悬浮;缭绕;
- airn.天空;空气;空中;神态;曲调;
- parachuten.降落伞;降落伞状物;[植]风散种子;
- wouldv.（will 的过去式，用于转述）将;想要；希望；愿意；喜欢;带出想象的结果；（表示可能发生的事情没有发生，是因为之前另一件事没有发生）就会;
- 相关例句
Then, disregarding the influence of the air resistance, I see the stone descend in a line.
然后, 忽视空气阻力的影响, 我在一条直线看见石头下降.
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This increases their air-resistance and reduces the shock of impact when they the ground.
这一做法增加了对空气的阻力,以及减少在落地时震动的冲击力.
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This increases their air-resistance and reduces the shock of impact when they bit the ground.
这样可以增加空气阻力,减小它们摔到地面上的撞击力.
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We do not bother about air resistance because it is far smaller than water resistance.
我们不必为空气的阻力多伤脑筋;因为与空气阻力相比水阻力要小得多.
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Less power is required to overcome air resistance in streamlined machines.
流线型机器在克服空气阻力时所需能量要相对少些.
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Extra weight increases the consumption of fuel as does increased air resistance.
额外的重量会加大燃油消耗并且增加空气阻力.
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Densometer: Itstrument that measures the air resistance of an area of paper.
透气度计: 量度一面积的纸骊空气的阻力的仪器.
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Neglecting friction and air resistance, the pendulum's mechanical energy is constant.
忽略支点的摩擦和空气对摆的阻力, 摆的机械能为恒量.
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This increases their air-resistance and reduces the shock of impact when they hit the ground.
这样就加大了空气阻力,并减少了它们着地时冲击力带来的震动.
新概念英语第三册
运输方式: 空运. 海运. 河运. 汽车运输. 管道运输. 铁路和公路联运等等.
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海气界面液滴粒径分布的测量对于 海气 界面通量的准确估算具有重要的意义.
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Five blocks west of Time Square, this museum has hundreds of air ,-sea space exhibition.
时代广场往西五个街区就是这个博物馆了,里面陈列着数以百计的太空和深海展品.
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