这个星期的两个science project都很努力的做暸,water rocket(水火箭)还得暸第二,之前在中国的初中时,看到别人做的,从来没想到我们也要做,做了也想不到我居然会做得那么成功(窃喜).
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最新式手持式水火箭户外试射（water rocket）飞行轨迹正面 最新式手持式水火箭户外试射（water rocket）飞行轨迹正面 MP3 Plays:
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hot water rocket engine [航] 热水火箭发动机
test the water rocket 发射水火箭
以上来源于: WordNet
A water rocket automatically opening the parachute, including a rocket head, a storage bin, a power bin, a tail wing, a parachute, a tether 1, and a tether 2.
一种能自动打开降落伞的水火箭，包括火箭头、贮藏仓、动力仓、尾翼、降落伞、系绳 1、系绳2。
youdao
Water is rocket fuel.
BBC: What if you could mine the Moon?
Oxygen could be derived from ilmanite reserves there and water could be extracted to make rocket fuel or sustain life on a base.
CNN: Mining the moon for a nuclear future
The oxygen that remains is burned with fuel and water in a chamber modeled after a rocket engine.
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