岩石外形特征: gray, black, tan, brown, green, blue, white, pink,red, sparkle, smooth, rough, heavy, light 岩石的分类: igneous rock, sedimentary rock,metamorphic rock 与岩石形成有关的物质: mineral, magma,wind,rain,ice, water,shell, bone 与岩石形成有关的动词: form,cool,erupt, push,break,wash,blowsink, build, mix, glue, move, crash, heat, squeeze, change be made of...由.....制成 turn into sth.变成某物 over and over again 一再;反复 leave...behind 永久离开.....;超过·..... all the time一直;始终 现在完成时态:Geologists have found many minerals on Earth. 时间状语从句: When volcanoes erupt, magma pushes up fromunderground. 形容词最高级的表达方式: Diamonds are the hardest minerals on Earth. 被动语态: A diamond in rock can be made into a dazzling ring 定语从句: Many things we build with rocks will still be standingyears and years from now.