Part 1 字首 表示{程度}的字首 poly- = many 多
入门字
polysyllabic (a.) 多音节的
poly/ syllab/ ic
many/ syllable/ 形容词字尾
进阶字
1. polygamy (n.)一夫多妻制
poly/ gam/ y
many/ marriage/ 名词字尾
The American Mormons used to practice polygamy.
美国摩门教徒从前实行一夫多妻制。
2. polyglot (n.) 通晓多种语言者
poly/ glot
many/ tongue
He speaks five foreign languages fluently, he's a true polyglot.
他能流利地说五种外语，真是个通晓多种语言的专才。
3. polygraph (n.)测谎机
poly/ graph
many/ write
The suspect has agreed to do a polygraph test to prove that he is innocent.
嫌犯同意接受测谎以示清白。