pref. 在...下, 不足, 低于, 次于
在线英汉词典

under-的短语、例句：

under- pref 前缀 1 (with ns 与名词结合) (a) below 在...下面; 在...之下: undergrowth
undercurrent. (b) lower in rank; subordinate 级别低於; 隶属於
under-secretary * undergraduate. 2 (with adjs, vs and their related forms 与形容词、 动词及其相关形式结合) notenough 不足: underripe
underestimate * underdeveloped.Cf 参看 sub-.