descendv.下降;降临v.传下来;遗传v.突然袭击;突然拜访
descendine plate下降板块
descending tract下行束
descending colon下行结肠,降结肠
descendent class后代类
descendent delta后继增量
descending slope下降斜率
descending chain降链
descending tracts下行束
descending manner下降式
descending phrase[计] 降序短语
"descendent gene"