这就是所谓的催化裂化.It is known as catalytic cracking.裂化是使较重的低挥发性的碳氢化合物分裂成较小分子的化学分裂.Cracking involves the chemical breakdown of higher, less volatile hydrocarbons into smaller molecules.FCC(流化催化裂化 ) 是炼厂生产汽油的主要方法之一.The Fluid Catal...
"Their sound is very interesting," he says, diplomatically.他很圆滑地说道，“他们唱得不错。”He told the artist diplomatically that his ugly picture was " unusual ".他圆滑地对画家说,他那张难看的画很 " 独特 ".They had to be dealt with diplomatically but fi...
黑利打量着她，脸上带着神秘的笑容。Haley studied her, an enigmatic smile on his face.他打量着我，好像我刚刚吐在了他的牛仔裤上似的。He peered at me like I'd just puked up on his jeans.他边说话边茫然地打量着房间，心不在焉的样子。He looked vaguely around the room as he spoke, his ...
动物或植物繁殖时, 他们产仔或种子.When animals or plants reproduce, they bring forth young ones or seeds.这一生物化学上抑制动物或植物的取食被称谓 “ 他感作用 ”.This biochemical inhibition of feeding by animals or plants is called " allelopathy ".把纲要放在订正或植物志前面作为...
She is in a loveless relationship.她身陷一段没有爱情的关系中。The survey also found more than half of husbands thought their marriage was " loveless "另外,调查发现,超过一半的男性认为自己的婚姻 “ 无爱 ”A big age, loveless , so affectedly sweet still that fo...