Artificial intelligent assistant

suborbital

suborbital
/ˌsʌbˈɔ:bɪtl; sʌb`ɔrbɪtl/ adj
less than (or lasting less time than) one orbit of the earth, moon, etc (绕地球、 月球等)不满一周的, 不足一周之时间的, 亚轨道的
    a suborbital space flight 亚轨道宇宙飞行.

牛津英汉双解词典

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