Carbonation is the combination of carbonate or bicarbonate ions with minerals.碳酸作用是碳酸根离子或重碳酸根离子与矿物的化合作用.How to prevent concrete from freezing - thaw and carbonation is very important.研究如何防止混凝土冻融、碳化具有重要意义.The process of c...
...a prolific crop of creamy gold coloured pods.结淡黄色豆荚的高产作物Dermatoglyph can reflect the prolific hereditary information, such as the body function, physical fitness, and intelligence.皮纹反映了人的身体机能 、 素质 、 智力等丰富的遗传信息.The laz...
a hoary old joke老掉牙的笑话They discussed the hoary old problem.他们讨论老问题.Without a word spoken, he hurried away, with his hoary head bending low.他什么也没说, 低着白发苍苍的头, 匆匆地走了....