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    1. rotation

      英 [r?(?)'te??(?)n] 美[ro'te??n]
      • n. 旋轉(zhuǎn);循環(huán),輪流

      低頻詞CET4TOEFLCET6擴(kuò)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(yǔ)例句


      1. Within the project, trees are selectively cut on a 25-year rotation.
      按照這個(gè)計(jì)劃,將以25年為一個(gè)輪伐期對(duì)樹木進(jìn)行有選擇的砍伐。

      來(lái)自柯林斯例句

      2. the diurnal rotation of the earth
      地球的周日自轉(zhuǎn)

      來(lái)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(lái)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(lái)自《簡(jiǎn)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(jì)算出樣品的螺位錯(cuò)密度和刃位錯(cuò)密度.

      來(lái)自互聯(lián)網(wǎng)