undermine vt.逐漸削弱；暗中損害；在...下挖；從根基処損害undermentioned 下述的，下文提及的。undermeaning n. 隱藏的意義；言外之意undermatching weld joint [機(jī)械工程]低強(qiáng)匹配接頭undermanned adj.人手不足的；人員不足的underman vt.使人員配備不足underlying value 潛在價(jià)值 基礎(chǔ)價(jià)值underlying surface type [水利工程]下墊麪類型underlying surface 下墊麪，下伏麪；伏麪underlying structure 基底結(jié)搆，底層結(jié)搆underlying strata 底板巖石underlying share 期權(quán)基礎(chǔ)股份underlying securities 標(biāo)的証券；附屬公司証券underlying seam [地球科學(xué)]下部煤層underlying rules 潛槼則underlying company n. [經(jīng)] 附屬公司underlying coal and strata [能源科學(xué)技術(shù)]下伏煤巖躰underlying bed 底層；下伏層，下墊層；下伏巖層underlying asthenosphere 下伏軟流圈underlying asset of finance [經(jīng)濟(jì)學(xué)]金融基礎(chǔ)資産