圆鼓鼓的瓶树基部似皮革，向上逐渐变细，最后生出扭曲的细枝，形似手，紧紧抓着开出的一束束粉花。
The bottle tree, plump and leathery at its base, tapers to a sprout of twisting, hand-like little branches clutching bouquets of pink flowers.
三名潜水员在水下围着树翩翩起舞，还开了一瓶香槟来庆祝。
The three divers danced round the tree and opened a bottle of champagne while underwater.
应用事故树分析方法对氧气瓶爆炸事故进行分析，找出了引发事故的基本原因和途径，分析了基本原因事件的结构重要度。
By analyzing the cases of oxygen cylinder accidences, we find out the main causes and possible ways and give the concept of "structure important degree" to describe the accidence.
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