他掉转车头，去追他们。He spun his car round and went after them.她猛地掉转车头，往回开。Making a sharp U-turn, she headed back.车头灯扫过一张标志牌。The headlights raked across a painted sign....
Listen to the biography of Natalie Portman.听NataliePortman的传记.When Doctor Portman read this portion of the letter his voice faltered.读到信的这部分,波特曼博士的声音发抖了.Old Doctor Portman was one of the few who came from the venerable g...
Sexual incompatibility is wide - spread in the apple.性的不亲合性在苹果中很普遍.Gametophytic self - incompatibility ( GSI ) is a widespread mechanism in flowering plants , which prevents self - fertilization and promotes outcrossing....