rudiment：雏形，萌芽，基本原理，基础

rude,原始的，-ment,名词后缀。引申诸相关词义。

• among
• amoral
• amorist
• amorous
• amorphous
• amortize
• amount
• amour
• amour propre
• amped
• ampere
• ampereamnesty
• ampersand
• amphetamine
• amphi-
• amphibian
• amphitheater
• amphora
• ampicillin
• ample
• amplification
• amplifier
• amplify
• amplitude
• amputate