单词	posigrade
释义	posigrade adjective posi·​grade ˈpäzəˌgrād : relating to, using, or being an auxiliary rocket that imparts additional thrust to a spacecraft in the direction of motion Word History Etymology positive + -grade (as in retrograde) First Known Use 1961, in the meaning defined above
随便看	adversary adversative adversatively adversatives adverse adverse selection adverse yaw adversed adversely adverseness adversenesses adverser adverses adversest adversing adversities adversity adversive advert advert (to) advert to advertainment advertainments adverted adverted (to)

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