suborbital

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.

sublet, sublimate, sublimation, sublime, sublimely, subliminal, sublimity, submarine, submariner, submerge, submerged, submergence, submersible, submission, submissive, submissively, submissiveness, submit, subnormal, suboptimization, subordinancy, subordinate, subordination, suborn, subornation, subpoena, subroutine, subscribe, subscriber, subscriber trunk, subscript, subscription, subscription concert, subsection, subsequence, subsequent, subsequent to, subsequently, subservience, subservient,