rotation
英 [r?(?)'te??(?)n]
美[ro'te??n]
- n. 旋轉(zhuǎn)；循環(huán)，輪流
低頻詞CET4TOEFLCET6擴展詞匯
詞態(tài)變化
復(fù)數(shù):?rotations;形容詞:?rotational;
英文詞源
- 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).
雙語例句
- 1. Within the project, trees are selectively cut on a 25-year rotation.
- 按照這個計劃，將以25年為一個輪伐期對樹木進行有選擇的砍伐。
來自柯林斯例句
- 2. the diurnal rotation of the earth
- 地球的周日自轉(zhuǎn)
來自《權(quán)威詞典》
- 3. the daily rotation of the earth on its axis
- 地球每天的自轉(zhuǎn)
來自《權(quán)威詞典》
- 4. Crop rotation helps prevent soil erosion.
- 農(nóng)作物輪作有助于防止水土流失.
來自《簡明英漢詞典》
- 5. By using the lattice - rotation model, the screw and edge dislocation densities of the samples were calculated.
- 通過使用晶格旋轉(zhuǎn)(Lattice-rotation)模型擬合, 計算出樣品的螺位錯密度和刃位錯密度.
來自互聯(lián)網(wǎng)