| 例句 |
underpartnoun the side or part facing downward from somethingthe bird's underparts were white bottom, underbelly, underbody, underside, undersurface belly, sole, toebase, floor, foot, ground, seat, underpinningundercarriage face, top acme, apex, climax, crest, crown, culmination, height, high-water mark, meridian, peak, pinnacle, roof, summitcusp, head, point, tip, tip-top, zenith in 1613 |