underset n.潛流；底流；暗流

underserve (v.)

underservant n.幫手

underserrated adj.底麪刻齒的

undersells vt. 以比 ... 低的價(jià)格出售

underselling vt. 以比 ... 低的價(jià)格出售

underseller vt. 以比 ... 低的價(jià)格出售

undersell competitor [土木建築工程]售價(jià)比競(jìng)爭(zhēng)者低

undersell vt. 以比 ... 低的價(jià)格出售

underseepage n.下方滲流

undersecretaryship n.副部長(zhǎng)

undersecretary general [經(jīng)濟(jì)學(xué)]付秘書(shū)長(zhǎng)

undersecretary n.次長(zhǎng)；副部長(zhǎng)

undersecretaries n.次長(zhǎng)；副部長(zhǎng)

undersecretariat n.副部長(zhǎng)(或次長(zhǎng))職務(wù)(或職位或其掌琯的部門)

underseasj adv.在海底(在海麪下)

underseas adv.海麪下地；海底地

underseam 下層

underseal vt.底封(基層処理)n.底封

undersea vehicle [能源科學(xué)技術(shù)]潛水器