erecting prism

常見例句

• Light is refracted when passed through a prism.
  光線經過棱鏡時產生折射現象。
• An extremely stiff, erect posture.
  過分筆直，僵立的姿態(tài)
• Soldiers are trained to stand erect.
  士兵們訓練站得筆直。
• The sunlight will break into different colors through a prism.
  陽光穿過棱鏡時將分解成各種顏色。
• She held her head erect and her back straight.
  她昂著頭，把背挺得筆直。
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