Rotation
[ ro'teʃən ]
第4级
其它 Other
n. 旋转，转动;轮流，循环;[农]轮作;[天]自转;
💡 词根助记
rot轮，转+ation名词后缀 →旋转，转动，轮流，循环
📝 例句
The crankshaft makes three rotations for each rotation of the rotor.
转子每转一周，曲轴转3周。
Convolutions frequently alternate in direction of rotation and vary in pitch.
盘旋经常改变回转方向和节距。
A counterweight balances the rotation.
有一个砝码平衡回转。
Changing the rate of cylinder rotation changes the speed selected.
改变圆筒旋转速率就改变被筛选的速率。
the rotation of kitchen chores
轮流做厨房里的杂务
🌱 联想助记
源于：rotate（v 使旋转）
✅ 同义词
🔤 词根
-rot-表示“转动”
📖 牛津释义
rotation
n
1
(a) [U] rotating or being rotated 旋转; 转动
the rotation of the Earth 地球的自转.
(b) [C] one complete movement of this type （旋转的）一圈; （一）转
five rotations per hour 每小时旋转五圈.
2 [C, U] regular organized sequence of things or events 轮流; 轮换
the rotation of crops/crop rotation, ie varying the crops grown each year on the same land to avoid exhausting the soil 作物的轮作[轮种].
3 (idm 习语) in rotation in turn; in regular succession 轮流地; 轮番地; 循环地
The chairmanship of the committee changes in rotation. 委员会主席一职是轮流担任的.
🔁 扩展释义
*[rәu'teiʃәn]n. 旋转, 循环, 轮流【计】 旋转【化】 自转; 转动; 旋转【医】 旋转, 转动【经】 循环, 轮流, 交替
🏥 医学释义
旋转，循环，转动
🌿 同词根单词
📖 同为「CET-4」词汇
查看全部CET-4词汇 ›🗣️ 情景例句
Hello, Betty. When are you going off to Guangzhou?
你好，贝蒂。你什么时候去广州？
Well, you just need lots of practice. The more you listen to English, the easier it becomes.
噢，你需要大量的练习。英语你听的越多，就越容易听懂。
Yes, it's going to be dry and sunny for the next two days.
听了，未来两天天气干燥、晴朗。