rotation
UK/rə(ʊ)'teɪʃ(ə)n/US/rәu'teiʃәn/
TOEFL四级六级B1
释义
n.
The action of turning around a center or axis
旋转；转动
n.
A regular cycle in which people or things take turns
轮流；轮换；循环
词根拆分
词根派生rotate 的名词形式，既指实体旋转（轮子的转动），也指「轮换」——队员轮流上场（in rotation），如同轮辐一圈圈转回来。
词根 rot 还连着 14 个词常用搭配
- 1.crop rotation轮作
- 2.job rotation岗位轮换
- 3.in rotation轮流地
- 4.rotation speed转速
例句
- 1.
The rotation of the Earth causes day and night.
地球的自转造成了昼夜交替。
- 2.
New doctors move through a rotation of hospital departments.
新医生要在医院各科室轮转。
- 3.
Crop rotation helps prevent the soil from wearing out.
轮作有助于防止土壤地力衰竭。