记忆方法
role就是由roll而衍生过来的，roll表示一种卷纸，还是写有台词的卷纸，说白了就是剧本，后来引申为“角色”
再从“角色”可引申为“身份，作用”
n.身份，作用，角色
固定搭配play a …… role in 在……中起……作用
比如play an important role in，起很重要的作用啦~
双解例句
小知识
A role is a part you play. In school, you might take on the role of clown, in your family, the role of the responsible one, on stage, the role of Juliet.
Role can also mean job or function. It is the role of the police to keep the community safe, and political parties often argue about the role government should play in our lives. Roles can also be played by things. You can say that computers play an increasing role in our day-to-day lives and that the role of a hat is to keep your head warm. You look up to your role model because of the important role that they play in influencing others' lives.
实用短语
常用短语
单词用法
play an important role起到重要作用
leading role主导作用；主导地位
active role积极任务；活跃角色
词根词缀
词根: roll
=wheel,rotate 表示”轮子,转,滚”
n.
role 角色, 任务role=roll轮子,转,滚→意为在运转中起作用→角色
roll 卷；名册roll轮子,转,滚→v.滚动；摇晃；碾；卷 n.卷；名册
roller 滚筒, 辊子roll轮子,转,滚+er物品,机器→n.滚筒, 辊子
n.&v.
control 控制, 支配, 管理, 调节cont反+rol=roll轮子,转,滚→反方向转→加以控制,支配
v.
roll 滚动；摇晃；碾；卷roll轮子,转,滚→v.滚动；摇晃；碾；卷 n.卷；名册
同义词
capacity / character / occupation / function / responsibility / part / office / position / commission