原级：rudiment
1. 基础知识：rudimentary基础的 | rudiments基础知识 | erudite博学的
2. 基础知识,入门：blandishments 甘言劝诱 | rudiments 基础知识,入门 | muniments 契据,房契
3. 基本原理, 基础. 名词：rudimentary 基本的, 初步的, 形容词 | rudiments 基本原理, 基础. 名词 | rue 对......感到懊悔, 悔恨,悲叹, 动词
4. 初步,入门：21 simulated 假装,伪装,模仿 | 22 rudiments 初步,入门 | 23 associated 关联 联合的
1. 基础知识;入门知识;基本原理
When you learn the rudiments of something, you learn the simplest or most essential things about it.
e.g. She helped to build a house, learning the rudiments of brick-laying as she went along.
她参与了盖房子，并在施工过程中学习了砌砖的基本技巧。
1. The web provided elderly users with the rudiments of using the Internet as well as a variety of information and services on the net.