文章列表

• 1.【英语时差8,16】新陈代谢2
• Statements like he can eat a lot because he has a fast metabolism are somewhat misleading. Metabolism isnt about the digestion of food in your stomach...
• 2.【英语时差8,16】新陈代谢
• In order to build tissue and repair it, however, anabolism requires energy, as well as material with which to build. This energy and building material...
• 3.【英语时差8,16】太阳黑子
• Sunspots occur at places where the suns irregular magnetic field is highly concentrated. The suns surface is usually reheated by a continual flow of h...
• 4.【英语时差8,16】基因“食谱”2
• No matter what your cell was doing before, it will stop its healthy functioning and make only viruses, following the viral recipe until it runs out of...
• 5.【英语时差8,16】蜗牛3
• Although snails can and do successfully mate without stabbing each o the r, studies have shown that darted snails store one-hundred-sixteen percent mo...
• 6.【英语时差8,16】基因“食谱”
• To stay healthy, your cells must continuously perform a wide variety of chemical tasks. Your DNA genes, in the nucleus of every cell, help orchestrate...
• 7.【英语时差8,16】机械水蛭
• The problem is that sometimes the veins cant remove the blood fast enough from the area and so the blood begins to clot. If additional surgery fails t...
• 8.【英语时差8,16】蜗牛2
• PV solar technology is more complex. When sunlight hits a PV cell, electrons in the cell are knocked out of their orbits. Electric fields channel the ...
• 9.【英语时差8,16】蜗牛
• No matter the species, mating rituals are pretty weird. Take the praying mantis. After an intimate tryst, the female mantis bites its partners head of...
• 10.【英语时差8,16】恒温器的工作原理2
• In a thermostat, the bimetallic coil is fastened firmly at one end. The other end is free to move. Its motion, as the temperature changes, can be used...