polycrystalline
adj. (金属或其他固体)多晶的
adj.[物]多晶的
abound disintegrator fontange haematoxylin oilseed pincushion scoutmaster下载迅蛙App
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adj. (金属或其他固体)多晶的
adj.[物]多晶的
abound disintegrator fontange haematoxylin oilseed pincushion scoutmaster