光谷的英文：
optical valley
adj. 眼睛的，视觉的；光学的
- Optical brightener(Optical brightness agent): Synonymous with Optical bleaching agent.
光学增光剂:即光学漂白剂。 - Optical depth and optical path are often confused in the literature.
文献中光学厚度和光程时常混淆。 - A computer that is made of optical fiber and various optical elements
一种利用传递光信号的光纤与各种光学元件相结合而制成的计算机。 - optical sighting device
光学照准器 - A kaleidoscope is an optical toy.
万花筒是一种光学玩具。
n. 山谷；流域；溪谷
- Valley glaciers are confined to valleys in mountainous terrain.
山谷冰川只限于多山地带的山谷。 - In spring, the valleys are ablaze with colour.
春天，山谷里春色绚烂。 - Farmers worked the fertile valleys.
农民们在肥沃的山谷里耕种。 - Murray Valley encephalitis virus
墨累溪谷脑炎病毒 - The river valley is intensively cropped.
河谷里种满了庄稼。