- rudiment
- 入门: cross the threshold; learn t ...
- 初步: initial; first step; prelimi ...
- 基本原理: basal principle; cardinal pr ...
- 基础, 初步, 基本原理, 入门, 雏形, 萌芽: rudiments
- 基本原理: basal principle; basic fundamental; basic principle; basis; cardinal princilpe; cardinal principle; elementary principle; elements; first principles; frndamental; fundamental principles; grammar; groundwork; keystone; maxim; philosophy; postulate; principia; principium; radical principle; rationale; ultimate principles
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