Parents will be able to discuss their child's progress with their teacher...家长将可以和老师交流谈论子女的进步情况。He has transformed Chicago's sink schools into beacons of hope for parents and children.他已经将芝加哥的几所条件不好的学校彻底变成了为家长和...
羊驼毛这种哺乳动物丝一般的毛.The silky wool of this mammal.摘要从产品的时尚及实用需求出发,开发生产了化学纤维仿羊驼毛织物用纱.An imitated chemical fiber alpaca yarn was developed to keep up with vogue and meet practicality.从产品的时尚及实用需求出发,开发生产了化学纤维仿羊驼毛织物用纱.An imitated ...