表示“在...之[底]下”, “在下”, 如: subway, submarine; 表示“(地位, 級(jí)別)低, 副”, 如:subeditor, subagent; 表示“再”, “分”, “子”, 如: subdivide, sublet, subprogram; 表示 “稍微”, “近乎”; “次”, “亞”, “遜”, 如:subacid,subdelirium, suberect, subhuman; [附加在倍數(shù)形容詞前表示該數(shù)的倒數(shù)]如:subdouble=1:2(double=2:1),subtripe=1:3 (triple=3:1)