- 重点词汇
- killedadj.被杀死的，断开的;
- shepron. 她; (指雌性动物)它;
- airn.天空;空气;空中;神态;曲调;
- wasv. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ）;在，存在;不受干扰;
- raidn.（骑兵队等的）急袭，突然袭击，突击，（军舰等的）游击;劫掠，劫夺，（盗贼，狐等的）侵入;突然查抄[搜捕]，围捕;
- beingn.存在;生物;人;要素，本质;
- ofprep. 关于;属于…的;由…制成;
- inprep. 在里面;在(某范围或空间内的)某一点;在(某物的形体或范围)中;在…内;在…中;进入
- anart. 一（在元音字母前代替不定代词a）;一任一某一;一个;
- terrifiedadj.很害怕的，极度惊慌的，吓坏了的;
- 相关例句
Messengerliu shun cheng serious injuries will be the first blind embrace into the air-raid shelter.
通信员刘顺成身负重伤,将双目失明的先有挟进防空洞.
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Baotianman Wildlife Nature Reserve is not only the natural " air-raid shelter. "
宝天曼自然保护区不仅是野生动物的天然 “ 防空洞 ”.
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If gravity and air resistance in equilibrium the parachute would just hang motionless in the air.
假设重力和空气阻力大小相等,降落伞会静止在空中.
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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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