rotation
英 [r?(?)'te??(?)n]
美[ro'te??n]
- n. 旋转；循环，轮流
低频词CET4TOEFLCET6扩展词汇
词态变化
复数:?rotations;形容词:?rotational;
英文词源
- rotation (n.)
- 1550s, from Latin rotationem (nominative rotatio) "a turning about in a circle," noun of action from past participle stem of rotare "turn round, revolve, whirl about, roll," from PIE *ret- "to run, roll" (see rotary).
双语例句
- 1. Within the project, trees are selectively cut on a 25-year rotation.
- 按照这个计划，将以25年为一个轮伐期对树木进行有选择的砍伐。
来自柯林斯例句
- 2. the diurnal rotation of the earth
- 地球的周日自转
来自《权威词典》
- 3. the daily rotation of the earth on its axis
- 地球每天的自转
来自《权威词典》
- 4. Crop rotation helps prevent soil erosion.
- 农作物轮作有助于防止水土流失.
来自《简明英汉词典》
- 5. By using the lattice - rotation model, the screw and edge dislocation densities of the samples were calculated.
- 通过使用晶格旋转(Lattice-rotation)模型拟合, 计算出样品的螺位错密度和刃位错密度.
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