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- give off vapours 放出蒸气
- Then a brown vapour is given off. 这时会放出一种棕色的气体。
- These gas lasers give off a continuous beam. 这种气体激光器产生连续不断光束。
- They give off discrete amounts of radiant energy. 它们放出不连续的辐射能量。
- These rotting bananas are giving off a bad smell. 这些腐烂的香蕉发出难闻的气味。
- The circulating mud can give off heat. 循环着的泥浆能散出热量。
- The flowers gave off a fragrant odor. 花发出一阵幽香。
- The heater can give off much warmth. 加热器能散发出热能。
- When wine is fermented it gives off bubbles of gas. 酒发酵时会放出气泡。
- Osmanthus blossoms give off a rich perfume. 桂花发出浓郁的芳香。
- Many are flammable, explosive or give off noxious vapours, so safety will always be an important consideration.Some are edible. 有很多物品具有可燃性，易爆的或者能释放出有毒气体，所以安全是一个很重要的考虑因素。
- This fire doesn't seem to be giving off much heat. 这炉火好像不大热。
- 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 crystals give off a faint glow. 这些水晶发出微弱的光芒。
- 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。
