real materials短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 🌏真材实料；真实教材；真实的语料素材 New visualized teaching system should be built and thus can create a clear teaching environment with practice and real materials. 要建立全新的形象化教学系统，创造一个既有实践又有实物教学的直观教学环境。 chemyq Real option is a kind of future option whose basic asset is real materials. 实物期权是以实物资产为标的物的未来选择权。 cnki