She fretted, however, at last, over the lack of stability.然而她最终对颠簸的生活感到烦恼.He fumed and fretted and did not know what was the matter.他烦躁,气恼,不知是怎么回事.The wind whistled through the twigs and fretted the occasional, dirty - l...
The wind whistled through the twigs and fretted the occasional, dirty - looking crocuses.寒风穿过枯枝, 有时把发脏的藏红花吹刮跑了.She fretted, however, at last, over the lack of stability.然而她最终对颠簸的生活感到烦恼.He fumed and fretted and did not kn...
越南战场上用于毁灭林区的“橙剂”，其成分是二氧杂芑。Dioxin was the ingredient in Agent Orange, used to defoliate Vietnam.火葬会把二氧(杂)芑 、 盐酸 、 二氧化硫和二氧化碳排放到大气中.Cremation pumps dioxins, hydrochloric acid, sulfur dioxide, and carbon dioxide into the air...
The concentrated sodium hydroxide is filtered through a pressure filter.浓缩过的氢氧化纳通过压滤机过滤.Sodium hydroxide in various forms is the most widely used.各种形式的氢氧化钠是最广泛使用的.The potassium hydroxide electrolyte is forced into the ce...