It's a very heavy element, which makes it difficult for many people to wear. It has to be forced into the pores (hence the buffing technique) otherwise it is capable of sliding off the wearer's face.

铋是一种重金属元素，这让很多人都不太愿意接受，因为它会进入毛孔(加强抛光技术)要不然它很容易从脸上脱落。

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The surface morphology of wear scar, nanoparticles and its element distribution have been tested and analyzed by scanning electron microscope(SEM) and energy dispersive spectrometry(EDS).

使用扫描电子显微镜（SEM）和能谱分析（EDS）等观察分析磨损钢球表面的磨痕形貌、化学元素和纳米粒子形态。

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Pollution of hydraulic medium was a main cause that made hydraulic element wear earlier.

液压介质的污染是液压元件过早磨损的主要原因。

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Unlike many of her Hollywood counterparts who wear runway looks exactly like as they are shown on the catwalk, Fan Bingbing knows how to inject an element of surprise and even a touch of kookiness into her ensembles, whether its through an improvised turban like the one she donned at an Elie Saab show or through the many incarnations of her hair style.

FORBES: Is Fan Bingbing the Cate Blanchett or Lady Gaga of China