单词	大陆核心--古陆核
释义	大陆核心；古陆核craton
随便看	astronomical leveling astronomical levelling astronomical longitude astronomical--longitude astronomical longtitude astronomically astronomical map astronomical measurement astronomical meridian astronomical meridian plane astronomical monument astronomic(al) navigation astronomical navigation astronomical--navigation astronomical navigation tables astronomical nevigation table astronomical number or calculations astronomical numbers astronomical nutation astronomical objective astronomical observation astronomical observation-- sight astronomical observation; sight astronomical observatory astronomical orientation