• 基础释义
  • 例句
  • 柯林斯词典释义
  • 英汉词典释义
  • 英英词典释义
  • 行业词典释义
例句
柯林斯高阶英汉双解学习词典释义
  • N-VAR
    旋转;转动
    Rotation is circular movement. A rotation is the movement of something through one complete circle.
    例句
    ...the daily rotation of the earth upon its axis. 地球每天绕地轴自转
  • N-UNCOUNT
    轮流;轮班
    The rotation of a group of things or people is the fact of them taking turns to do a particular job or serve a particular purpose. If people do something in rotation, they take turns to do it.
    例句
    He grew a different crop on the same field five years in a row, what researchers call crop rotation... 他连续5年在同一块地里种植不同的作物,研究人员称之为轮作。 Once a month we met for the whole day, and in rotation each one led the group. 我们每个月聚在一起一整天,轮流担任领队。
英汉词典释义
  • n.
    旋转;转动
    the earth’s axis of rotation 地球的旋转轴
    轮流;轮换;<农>轮作
    Crop rotation helps prevent soil erosion. 农作物轮作有助于防止水土流失。
英英词典释义
  • Noun
    1. the act of rotating as if on an axis;
    "the rotation of the dancer kept time with the music"
    2. (mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin
    3. a single complete turn (axial or orbital);
    "the plane made three rotations before it crashed""the revolution of the earth about the sun takes one year"
    4. a planned recurrent sequence (of crops or personnel etc.);
    "crop rotation makes a balanced demand on the fertility of the soil""the manager had only four starting pitchers in his rotation"
行业词典
  • 体育: 轮转;轮换;转动;旋转;转体;旋绕;绕圈动作;
    农学: 轮作;
    力学: 转动;
    化学: 旋转;
    医学: 旋转,转动:绕轴转动的过程;物体围绕其轴(所谓转轴)运动;分娩时胎头旋转90°,使其长径与盆腔外口长径一致;该过程应自然发生,但若未转,则产科医生必须徒手或以器械使之完成。另见maneuver;围绕中心轴而无任何偏移的旋转,另见movement项下hingemovement;将错扭转的牙齿转至其正常位置;牙齿围绕其纵轴异常转动引起的错位;
    天文学: 自转;天体或天体系统绕质心的定点旋转。;
    数学: 旋度;又称 :旋度(curl );
    林学: 轮伐期;又称 :轮伐期(regulatory rotation age );
    物理学: 转振耦合;rotation-vibration coupling;转振[谱]带;rotation-vibration band 又称“振转[谱]带”。;