词典释义：
释义
(of a rocket or spacecraft)take off from a launching site
（火箭，航天器）发射升空。
双语例句
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The space shuttle had been scheduled to blast off at 04:38.
这架航天飞机计划于04:38发射升空。
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Columbia is set to blast off at 1:20 a.m. Eastern Time tomorrow.
哥伦比亚号定于东部时间明晨1:20点火起飞。
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The controllers counted down to blast off .
控制器倒读数到发射时间。
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The rocket will Blast off sometime tomorrow.
火箭将在明天某时升空。
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Look to Internet commerce to blast off in Asia.
网上交易将会在亚洲爆炸。
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Blast off. I can't hear anything. Blast off. There I was, flying to space. And then I landed on the moon.
发射。我什么也听不见。发射。我就在那，飞向太空。然后我降落在月球上。
《Peppa Pig Season 4》《小猪佩奇 第四季》
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Five, four, three, two, one, blast off! We live on a planet. Does anyone know what it is called? The Earth.
五，四，三，二，一，发射！我们住在行星上，大家知道这个行星叫什么吗？叫地球。
《Peppa Pig Season 3》《小猪佩奇 第三季》
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Excellent, but when you go into space, you count backwards. Five, four, three, two, one. And then, you have to shout: blast off, as loudly as possible.
非常棒，但是当你要去太空的时候，你要倒着数数。五四三二一。然后，你要大喊：发射，尽可能的大声。
《Peppa Pig Season 4》《小猪佩奇 第四季》