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- It's so changeable at this time of year. 这段时间天气变化无常。
- He is well versed in the science of optics. 他精通光学。
- changeable optics 可置换光学装置
- His optic nerve was hurt in an accident. 他的视神经在一次事故中受到损伤。
- His temper's is changeable this week, so do not annoy him. 这星期他脾气变化无常,所以不要惹他生气。
- The small city has the climate that is changeable in the extreme. 这座小城有变化多端的气候。
- The optic theory originated with Einstein. 光学理论是爱因斯坦首创的。
- His temper's been changeable this week, so don't annoy him. 这星期他脾气变化无常,所以不要惹他生气。
- The weather in Shanghai is very changeable. 上海的天气变化多样。
- All feelings in the human mind are changeable. 人类所有情感都不是一成不变的。
- The weather was very changeable last spring. 去年春天的天气变化无常。
- He was very changeable,often blowing hot and cold. 他朝三暮四,老是反复无常。
- This part of the subject is called physical optics. 这部分内容叫做物理光学。
- Newton published his first work on optics. 牛顿出版了他的第一部光学著作。
- The quality of being changeable;mutability. 变化无常作为可变化的性质;变动
- Optics is the branch of science concerned with vision, sight and light. 光学是有关视觉、视力和光的一门学科。
- The weather in Xi'an is always changeable. 西安的天气很易变的。
- The weather is rather changeable, isn't it? 这天气真是变化无常呀。
- C. The weather has been changeable recently. 听第9段材料,回答第14至第16题。
- Light stimulates the optic nerve. 光刺激视神经。