Meanwhile, acetone was a polymerization inhibitor in preventing the self - polymerization ofp - methoxybenzyl chloride, and 11. 同时探索了甲氧基苄氯自聚的阻聚剂, 初选的阻聚剂丙酮可使甲氧 基苄 氯粗品的收率提高11.
The problem bulks large in his mind.这个问题在他的心目中显得重要.The whole dam bulks about 4,400,000 cubic yards.整个坝总计约达4,400,000立方码.He bulks large only by contrast with other senators.他只有和其他参议员相比时才显得突出....
他呼吸时胸部发出轻微的响声.He has a slight wheeze in his chest.他呼吸时觉得吸进肺部的空气冷得刺人.The air came into his lungs sharp and cold as he breathed.呼吸时肺部扩张.The lungs dilate when breathing....
蒸汽从管子逸出时呜呜作响.The steam sang as it escaped from the pipe.从该液体中最先逸出的气泡是空气和氢的混合物.The first bubbles to escape from the liquid are a mixture of air and hydrogen.金属中的电子逸出表面.Electrons in a metal come out of the surface....