I refused to wear headphones because they can perforate your eardrums.我不愿戴耳机，因为它可能会使鼓膜穿孔。In advanced stages the opaque corneas may ulcerate and even perforate.在疾病后期,不透明的角膜可能产生溃疡,甚至穿孔.The Ascaris adults may perforate a su...
I refused to wear headphones because they can perforate your eardrums.我不愿戴耳机，因为它可能会使鼓膜穿孔。to perforate something with a pin用针在某物上穿孔In advanced stages the opaque corneas may ulcerate and even perforate.在疾病后期,不透明的角膜可能产生溃疡,甚...
You can't begin to imagine how much that saddens me.你都无从想象这让我有多悲伤。The cruelty in the world saddens me incredibly.人世间的残酷无情让我感到无比悲哀。But It'saddens our hearts when we look at his mournful life right from his birth...
Many women still take career breaks to bring up children.仍然有许多女性为了抚养孩子而离职。It's hard for the baby to bring up wind.婴儿不容易打出嗝来。I don't know how they manage to bring up four children — they're as poor as churc...
Indirectly, I did cause her death. I shouldn'thave left her there.的确，她的死是我间接造成的。我不该把她留在那里。We knew all along but didn'thave the heart to tell her.我们一直都知道，但却不忍心告诉她。If not for John, Brian wouldn'thave learned...
One theory about the existence of extraterrestrial life rests on the presence of carbon compounds in meteorites.地球外存在生命的理论是基于陨星上存在碳化合物质这一事实的.Methane may have extraterrestrial significance.甲烷具有星际意义.In going through the ea...