The couple had helped in the hunt for the toddlers.这对夫妇曾帮着搜寻那些幼童。Toddlers are notoriously antisocial when it comes to sharing toys.众所周知，刚学会走路的孩子不愿和别人分享玩具。Keep a watchful eye on babies and toddlers.要看好婴儿和刚会走路的孩子。...
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....