uphold
uphold/ʌpˈhəuld/vt.(upheld)支持，维护：swear to uphold the constitution宣誓维护宪法I uphold your opinion.我支持你的意见。Walls uphold the roof.墙支撑着屋顶。
upon
upon/əˈpɔn/prep.在…上面(与on同义，on更通俗，口语化；upon显得文气。):He sat upon the grass.他坐在草地上。A lot of extra work fell down upon my shoulders.大量的额外工作落到我肩上···
upper
upper/ˈʌpə/adj.上面的，较高的(［反］lower): the upper lip上唇；the upper arm上臂；the upper class上等阶级His room is on the upper floor.他的房间在上层。
upright
upright/ˈʌprait/ I.adj.1.垂直的，直立的，竖立的：an upright tree笔直的树木；an upright piano立式钢琴2.正直的，诚实的：an upright man正直的人‖II.adv.竖立着：stand upright笔挺地立···
uprising
uprising/ˈʌpraisiŋ/n.［c］1.上升，起立；起床：the steep uprising of a hill陡峭的山坡；sudden uprising of mountain slopes突然上升的山坡2.起义，暴动：the peasant(armed) uprising农···
uproar/uproarious/uproariously
uproar/ˈʌprɔ:/n.(只用sing.)骚动，喧嚷，鼎沸：be in (an) uproar吵吵嚷嚷：The whole hall was in uproar after the announcement.宣布以后整个大厅一片喧哗。uproariousadj.十分吵闹的upr···
uproot
uproot/ʌpˈru:t/vt.连根拔起，根除：The elephant's trunk is powerful enough to uproot trees.大象鼻子有足够力量把树连根拔起。The typhoon uprooted numerous trees.台风把许多树连根···
upset
upset/ʌpˈset/vt.(upset; upsetting) 1.使…心烦意乱，使苦恼，使…不适：upset one’s stomach使心里/胃不舒服The news quite upset him.这消息使他心烦意乱。2.打翻，弄翻：upset a bottle ···
upside
upside/ˈʌpsaid/n. [c]上边，积极一面，有利一面：It’s annoying that we can’t travel until Thursday, but the upside is that the fare’s cheaper then.恼人的是我们星期四才能旅行,但好···
upside-down
upside-down/ˌʌpsaidˈdaun/adv.颠倒地，倒置地(= upside down)；混乱：Turn the jar upside down and shake it.把瓶子倒过来晃晃。Even if you plant the seed upside down, the roots will ···
