摘要青海软玉矿床产于中酸性侵入岩与大理岩接触带中. Nephrite deposits in Qinghai Province have occurred in contact belt between intermediate - acidic intrusive rocks and dolomite - marble.
He blamed lack of parental control for the young tearaways' behaviour.他认为，那些小流氓行为不端是因为缺少家教。Parents are entitled to 13 weeks' parental leave.父母可以休13个星期的亲子假。Parental attitudes vary widely.家长态度千差万别。...