记忆方法
双解例句
小知识
When something turns like a wheel, over and over again, it's in rotation. You can't feel the earth's rotation even though you know it's happening.
Even if you find the rotation of clothes in the dryer comforting, it's best to remain on the outside looking in. Rotation can also mean a series that repeats. A baseball team has a “pitching rotation” (five pitchers who take turns starting games), while a song that's on the radio every fifteen minutes is on “heavy rotation.”
实用短语
常用短语
单词用法
词根词缀
词根: rot
=wheel,rotate 表示”轮子,转,滚”
adj.
rotary 旋转的rot轮子,转,滚+ary表形容词→adj.旋转的
rotatory 旋转的,转动的;循环的;交替的rotate[v.[使]旋转]+ory……的→adj.旋转的,转动的;循环的;交替的
rotund [人]圆胖的,[音声]洪亮的rot轮子,转,滚+und→转一圈→圆的,胖的
n.
rotation 旋转rotate[v.[使]旋转]+ion表名词→n.旋转
rotor [机]转子, 回转轴, 转动体rot轮子,转,滚+or物器→n.[机]转子, 回转轴, 转动体
rotundity 球状,圆形rotund圆胖的+ity表名词→n.球状,圆形
v.
rotate [使]旋转rot轮子,转,滚+ate表动词→v.[使]旋转
同义词
同根词
词根:rotate
adj.rotate[植] 辐状的
rotary旋转的,转动的;轮流的
rotational转动的;回转的;轮流的
rotated旋转的
rotatable可旋转的;可转动的;可循环的
rotatory旋转的;使回转的;轮流的;引起旋转的
n.rotary旋转式机器;[动力] 转缸式发动机
v.rotated旋转;使…转动;循环(rotate的过去分词)
vi.rotate旋转;循环
vt.rotate使旋转;使转动;使轮流