erecting prism

常见例句

• Light is refracted when passed through a prism.
  光线经过棱镜时产生折射现象。
• An extremely stiff, erect posture.
  过分笔直，僵立的姿态
• Soldiers are trained to stand erect.
  士兵们训练站得笔直。
• The sunlight will break into different colors through a prism.
  阳光穿过棱镜时将分解成各种颜色。
• She held her head erect and her back straight.
  她昂着头，把背挺得笔直。
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