These showed an evolution of increasing diversity through to the Eocene.一直到始新世,生物多样性都在不断地提高....a crucial period in the evolution of modern physics.现代物理学演化过程中的重要时期Evolution could be disproved in other ways, too.演化也可以用别的方法...
the evolution of the human species人类的进化We're dealing with probably the biggest missing link in what we know about human evolution.我们正在解决的可能是我们所知的人类进化过程中缺失最大的一环。In the course of evolution, some birds have lost the po...
Try using lemon juice to remove tobacco stains from your fingers.试试用柠檬汁去除手指上的烟渍。This Italian black sambuca is made from anise, elderflower and lemon.这种深色的意大利甜酒采用茴香、柠檬酿造的甜酒叫什么名字?Lemon juice can help to prevent economy-cla...
以二羧酸和异丁醇为原料,用硫酸作催化剂,合成二羧酸二异丁酯.The diisobutyl dicarboxylate was prepared by using acid and isobutanol as material and acid as catalyst.以冰醋酸、异丁醇为原料,硫酸高铈为催化剂合成乙酸异丁酯.A method for synthesis of isobutyl acetate based on ceric ...