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rudiment

英['ruːdɪm(ə)nt] 美['rʊdəmənt]
  • n. 雏形;基本原理

英英释意


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"