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1·Since I started using Yoro my handwriting has improved very much. My handwriting is also smaller (The Yoro helped me!)

自从我开始使用优乐笔，我的笔迹改善非常多。同时我的笔迹也变成比较小。(优乐真的帮助我很多)。

2·Chalk particles, which contained the microfossils of foraminifera, were used in some of Yoro ancient potteries as a granular admixture.

发现约罗有些古陶使用合古生物微体化石有孔虫的白垩粗颗粒为掺和料。