suborbital怎么读：英 [sʌ'bɔ:bətl] 美 [sʌ'bɔbətəl]
suborbital是什么意思：adj.眼眶下的；
suborbital的例句和用法
权威例句
Branson's Virgin Galactic hopes to take paying passengers on three-hour suborbital flights by early 2009.
He called attention to the fact that passenger suborbital flights will be risky business.
That is about four times further than any of today's private suborbital craft are trying to reach.
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