经济学家警告，迫使人们向西部迁移的压力可能会增至很大的程度。Economists warn that enormous pressures could build up, forcing people to emigrate westwards.南部的种植园主买下了向西部迁移的小农的土地.Planters in the South bought land from small farmers who moved farther west...
Bobby looked at her with a sheepish grin.博比望着她腼腆地咧嘴一笑。The couple leapt apart when she walked in on them and later came downstairs looking sheepish.她走进屋时撞见这对情侣，搞得两人赶紧分开，后来又面带窘色地走下楼来。a sheepish look羞怯的神情Mary gave her a she...
传统的乐器包括鼓 、 沙球 、 吉他和海龟壳,用于宗教典礼和日常生活.Traditional instruments including drums, maracas, guitars and turtle shells are used for religious and secular occasions....