Across geographic gradients, Levins expects allopatric races or coenospecies exist.穿过地理梯度, 莱文斯预料有分布区不重叠的小种或近群种.You often lose out when you bet on horse races.你在赌马时,常常输掉.The high point of this trip was a day at the races....
珠宝商在他的店铺后面有一间作坊。The jeweller has a workroom at the back of his shop.珠宝商宣称这金刚石是真的.The jeweller pronounced the diamond to be genuine.珠宝商的展示使那些钻石更为醒目.The jeweler's display showed the diamonds to advantage....