1. The fox became furious with anger. Hepounced forward and bumpily fell into the pool.
狐狸简直都要气昏了，他向前一扑，扑通一声掉进了池塘。
2. The elephant jumped into the river bumpily.
大象扑通一声跳进了河里。
3. American stocks represented 66% of the world's market value in 1970 and have been declining bumpily since then, primarily as a result of the growth in emerging markets, according to Russell Investments, which uses Russell and Morgan Stanley Capital International, or MSCI, indexes in its analysis.
广告据Russell Investments根据罗素指数和摩根士丹利资本国际指数所作的统计显示，1970年时，美国股票在全球总市值中占66%，但随着新兴市场的发展，这个比例持续下滑。