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- How fast does a balloon travel? How about an airplane? How about a space shuttle? 一只气球能走多快?一架飞机呢?还有一架航天飞机呢?
- How fast does a balloon travel? 气球能跑多快?
- Just how fast does sound travel through the air? 声音在空气中的传播速度究竟有多快?
- How fast does the new micro process the data? 这新微型计算机处理数据有多快?
- How fast does the new computer process the data? 这新计算机处理数据有多快?
- How fast does the new micro processthe data? 这新微型计算机处理数据有多快?
- How fast does the new mirco process the data? 这台新的微型计算机处理数据速度有多快?
- How fast does the computer process the data? 这台计算机处理数据有多快?
- How fast does the probe respond? 探测器的响应如何快速?
- How fast do you dictate to your secretary? 你向你的秘书口述的速度有多快?
- So air supports a balloon just as water does a ship. 正象水能够支承船那样，空气也能够支承气球。
- How fast do disks degenerate and rupture? 椎间盘退化和突出的速度有多快？
- Jeff: Look! How fast does that woman athlete running. 杰夫: 你看，那个女选手跑得多快呀!
- VOICE: How fast does the flagellum's propeller spin? 细菌鞭毛转动得有多快呢？
- This video will tell you how to do a balloon daisy. It's very easy, only add something to the tulip twist. 这个视频将告诉你如何做气球菊花，只是在郁金香结的基础上加上一些步骤而已，很简单易学。
- HOW FAST DOES LIGHT TRAVEL? 光能跑多快?
- A balloon floated across the sky. 有个气球从空中飘过。
- This video instructs you to do a balloon banjo.It is a real instrument!You can make different sounds on it. 这个视频讲授了如何用气球做班卓琴，这真的是个乐器哦，可以弹奏不同的音符。
- The question is: How fast does this trust thingy decrease as number of hops increases? 这个理论让社交网络的从业者们兴奋异常，但是，这个理论是否也有其阴暗的一面呢？
- How many ventricles of heart does a man have? 每个人有几个心室？
