我就不明白，人们为什么老是抱怨假牙的问题。I can't understand why folks complain about false teeth.你戴假牙 吗 ?Do you wear dentures?他有一副假牙，晚上摘掉不戴。He had a denture that he took out at night....
影片讲述的巴恩斯·沃利斯的故事有多少真实的成分？How far did the film tell the truth about Barnes Wallis?合同到期以后，巴恩斯决定做点别的。Barnes was resolved to moving on when his contract expired.约翰·巴恩斯的一粒进球使他们落败。They were undone by a goal from John Barnes....
30 percent of reptiles, birds, and fish are currently threatened with extinction.目前，30%的爬行动物、鸟类和鱼类面临灭绝的危险。All reptiles have to slough their skin to grow.所有爬行动物生长过程中都要蜕皮。Snakes and crocodiles are both reptiles.蛇和鳄鱼都是爬行动物....