单词：cumulative distribution curve of particle size
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大学六级6000单词速记动画版
The best curve of your body is not the size of your waist It is the size of your smile, the one and only thing you have And the best accessories are not bangles, rings and necklaces it is your eyes For it is the window of your soul. 你身上最美的曲
瞬间秒杀听力
to throw a curve to throw for a loop 美国人在打棒球时经常喜欢发曲线球，使球的方向会发生突变，这样给对方造成错觉，不能回击那个球。这和其他球类运动，
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BEIJING, Feb. 5 (Xinhua) -- China on Tuesday unveiled reform guidelines on income distribution amid growing public concerns over a widening wealth gap. The guidelines encourage further work to improve the initial distribution system and stepped-up ef
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By Lisa Schlein Geneva 21 August 2007 United Nations aid agencies say the distribution of humanitarian assistance to victims of Peru's devastating earthquake remains problematic. But they say the situation is beginning to ease. Lisa Schlein reports f
2007年VOA标准英语（八月）
Hi, everyone. Hows your day going? This morning, the Metro was loud, hot and crowdedagain. And the train driver kept stopping and starting so I lost my footing and bumped into someone. Ugh. I need a different way to get to work! But what? Oh, I know:
2019年VOA慢速英语(二)月