Pansies are usually variegated.紫罗兰通常杂有好几种颜色.Pansies are lovely flowers.三色紫罗兰是可爱的花....a particularly beautiful strain of Swiss pansies.一种格外美丽的瑞士三色堇He grew some pansies in the garden.他在花园里种了一些三色紫罗兰....
组成系统的分子仍在永恒地剧烈骚动着.Its molecular constituents are in constant violent agitation.它们是唯一永恒地朝天空的自然元素.They are only natural element in perpetual movement toward the sky.在美之中永恒地存在.Aeon aeon thou existed in beauty....
采用反吹法测定高纯氩气中大分子碳氢化合物,能够达到准确、快速测量高纯气体中大分子碳氢化合物的目的.Column switching - back flushing technique can realize accurate and fast measurement of macromolecular hydrocarbons in high - purity argon....