They condemned the white paper as a charter for centralisation and selective education.他们谴责白皮书是在怂恿中央集权和精英教育。Diethyldithiocarbamate was more better selective collector than Xanthate on galena.与黄药相比,乙硫氮是方铅矿更好的选择性捕收剂.Water ...
This is an attempt to put flesh on what has been a very bare skeleton plan up to now.这是一次试图使至今还只是框架的计划充实起来的尝试。...an attempt by the president to disassociate the military from politics.总统实行军政分离的一次尝试That was an abortive at...
Adiantaceae ( maidenhair ferns ) A family of ferns ( Filicinophyta ) found throughout the world, especially in the moist American tropics.铁线蕨 科:一科广泛分布的蕨类植物, 特别是在美洲潮湿的热带分布较多....