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- Rabioactive elements give off radiation that is harmful to plants and animals. They have been well studied because scientists can measure and track them easily with instruments that detect the radiation they give off. 放射性元素能发出对植物和动物有害的放射线,对这些元素研究得最多是因为科学家通过仪器设备能很容易地探测到它们发出的放射线,并进行测量和跟踪。
- give off radiation 放出射线
- Give off,send forth,or discharge,as of light,heat,or radiation,vapor,etc.. 发散发射,用于灯光热射线蒸汽等等。
- These gas lasers give off a continuous beam. 这种气体激光器产生连续不断光束。
- These rotting bananas are giving off a bad smell. 这些腐烂的香蕉发出难闻的气味。
- The flowers gave off a fragrant odor. 花发出一阵幽香。
- They give off discrete amounts of radiant energy. 它们放出不连续的辐射能量。
- The circulating mud can give off heat. 循环着的泥浆能散出热量。
- When wine is fermented it gives off bubbles of gas. 酒发酵时会放出气泡。
- The heater can give off much warmth. 加热器能散发出热能。
- A metal called uranium gave off a kind of radiation. 一种叫铀的金属会发出一种射线。
- This fire doesn't seem to be giving off much heat. 这炉火好像不大热。
- Osmanthus blossoms give off a rich perfume. 桂花发出浓郁的芳香。
- The cooker is giving off a funny smell. 锅里冒出一股怪味。
- Burning leaves give off thick smoke. 烧焦的树叶发出一股浓烟。
- These planets do not give off light of their own. 这些行星本身不发光。
- To give off in or as if in fumes. 冒(烟或气)冒出或好似冒出烟雾
- The apples give off a very sweet smell. 这些苹果散发出非常香甜的味儿。
- At 60 mpg, they would give off a billion tons. 如果是每公升25.;2公里,就会排出10亿吨。
- The flowers gave off an intoxicating scent[a pleasant smell]. 这些花散发出使人陶醉[怡人]的香味。