离开井底
bottom───n.(Bottom)人名；(英)博顿；vi.到达底部；建立基础；vt.装底；测量深浅；查明真相；adj.底部的；n.底部；末端；臀部；尽头
at bottom───实际上（等于atthebottom）；adv.实际上; 说到底; 骨子里
bottom hole───底孔，下部孔；底孔，井底；下部孔；底部炮眼
bottom view───底视图，仰视图；[机]底视图；[机]仰视图
bottom line───n.概要，账本底线；结果；概要；账本底线；关键
SU Bottom───SU底部
river bottom───河底
bottom drawer───<美>（妇女为结婚准备的）嫁衣
bossy bottom───专横的屁股
The driller is to trip off bottom and out of the hole at a speed that will not cause swabbing.───司钻要用一个对井底不会产生抽吸的速度进行起钻。
It invites the question: is this just a bounce off the bottom or the start of a new uptrend?───但它同样引出一个问题，这究竟是暂时脱离谷底的反弹还是新一轮牛市的开始？
Then Houston, the control centre on the earth, called up and told me to use the tape to tape the bottom of the handrail and pull it off the telescope.───然后休斯顿，地球上的控制中心，打电话给我，让我用胶带把扶手的底部粘上，然后把它从望远镜上拉下来。
Mechanism of Off-Bottom Suspension of Solid Particles in a Mechanical Stirred Tank───搅拌槽中固体颗粒离底悬浮机理的研究
Field Testing of Shutting off Bottom Water Coning by Chemical Gel Plate───化学凝胶隔板阻断底水锥进矿场试验
The LCROSS impact was just off bottom center of the panorama.