石英光亮度远小于黄水晶,矿藏储量也远较黄水晶丰富.The quartz is abundance less brilliant and abundance plentiful than true topaz.黄水晶的价值很大程度上取决于其品质,但颜色也很重要.The value of a topaz is largely determined by its quality.全地球上大多数的黄水晶是白色或蓝色的.Most of the g...
The absorption spectrum of the eosin - Y sensitized dichromated gelatin has been obtained.曙红-Y敏化重铬酸盐明胶干版的吸收光谱已经测定.Furthermore , liver biopsies were visualized by hematoxylin and eosin staining.苏木素与伊红染色观察肝脏活组织检查.The resul...
I think you ought to give football a rest for a time.我认为你应该暂时停止踢足球。Things were pretty grim for a time.事情一度糟糕透了。After reflecting for a time he decided not to go.思考了一会儿以后,他决定不去了....