rudiment
英 ['ru?d?m(?)nt]
美['r?d?m?nt]
- n. 雛形；基本原理
英英釋意
- 1. the elementary stages of any subject (usually plural);
- "he mastered only the rudiments of geometry"
- 2. the remains of a body part that was functional at an earlier stage of life;
- "Meckel's diverticulum is the rudiment of the embryonic yolk sac"