differentiate：辨别

来自differ, 不同。引申义辨别，使差异化。

differentiate：区分，区别

词根词缀：dif-分开 + -fer-携带,拿取 + -ent形容词词尾 + -ial(l略)形容词词尾 + -ate(a略)动词词尾

• the heebie-jeebies
• The Heel of Achilles
• the high seas
• the Hippocratic oath
• the hit parade
• the hoi pollie
• the holy of holies
• the Holy See
• the hot seat
• the Internationale
• their
• theirs
• theism
• theist
• the Ivy League
• the Jolly Roger
• the last post
• the last rites
• the lion's share
• them
• the magistracy
• the main drag
• the mainland
• the Mason-Dixon Line
• thematic