give off

1. PHRASAL VERB 释放，放出，发出（气体、热量、气味等）
   If something gives off or gives out a gas, heat, or a smell, it produces it and sends it out into the air.
   1. ...natural gas, which gives off less carbon dioxide than coal...
      二氧化碳释放量低于煤炭的天然气
   2. Substances such as ammonia give out heat when they dissolve.
      诸如氨气之类的物质在溶解时会释放出热量。

1. Substances such as ammonia give out heat when they dissolve.
   诸如氨气之类的物质在溶解时会释放出热量。
2. Many household products give off noxious fumes.
   很多家用产品散发有害气体。
3. If plastic and rubber are burnt, they'll give off poisonous gases.
   要是塑料和橡胶被焚，就会放出有毒的气体。
4. Osmanthus blossoms give off [ exhale] a rich perfume.
   桂花发出浓郁的芳香。
5. Fireflies give off flashes of light when they fly at night.
   萤火虫夜间飞行时发出闪光。
6. In spring the fields give off an earthy aroma.
   春天的原野散发着泥土的芳香。
7. These fuels give off heat when they burn.
   当这些燃料燃烧时释放出热能。
8. What we give off is what we get back.
   我们散发的能量就是吸取到的能量。
9. The plants transpire to give off more water vapor.
   这些植物进行蒸发，释放出更多的水蒸气。
10. If the sun did not give off heat the temperature of the earth would fall almost to absolute zero.
    假如太阳不放射热量，地球的温度几乎就会下降到绝对零度。
11. To give off loud puffs, especially while moving.
    发出呼呼的声音发出噗的一声，尤指在运动中。
12. Give off unsteady sounds, alternating in amplitude or frequency.
    发出不稳定的在振幅上或频率上交互的声音。
13. Maybe it's that "little boy lost" quality you give off.
    也许是你身上具有的那种原始纯朴的品质。
14. The factory does not give off any poisonous exhaust gases.
    这家工厂并不放出任何有毒的废气。
15. She knew that some octopuses give off lots of ink when they feel in danger.
    她知道一些章鱼在它们感到危险时释放很多墨汁。
16. They react with many metals to form a salt and give off hydrogen.
    它们能和许多金属起反应，生成盐并放出氢。
17. Many flowers give off a nice smell.
    许多花朵都会散发出香味。
18. If ( it is) burnt, rubber can give off a poisonous gas.
    橡胶如果燃烧起来，会发出有毒气体。
19. The moon, for example, does not give off any light of its own. It is non-luminous.
    如月亮，本身不能发出任何光，它不是发光体。
20. Give off the sound of a bullet flattening on impact.
    水平飞行的子弹在碰撞中发出的声音。
21. It's like you give off a scent.
    好像你放出一种气味。
22. Certain species of shallow water squid give off light to blend in with the moonlight.
    某些种类的浅水枪乌贼就会发出与月光相近的亮光；
23. Fireflies are winged beetles and give off a green luminous glow from chemicals in their lower abdomen at night.
    萤火虫属于有翼甲虫类，在晚上它们通过腹部的化学物质放出绿色光亮。
24. Transporting the bottles and keeping them cold also burns fossil fuels, which give off greenhouse gases.
    运输和冷藏这些瓶子同样需要消耗矿物燃料，也排放出许多温室气体。
25. Fireflies fly butter to butterflies and dragonflies. Fireflies give off flashes of light when they fly at night.
    萤火虫飞快地送奶油给蝴蝶和蜻蜓。萤火虫夜间飞行时发出闪光。
26. All bodies, no matter what their temperature, give off radiation in the form of electromagnetic waves.
    一切物体，不论其温度高低，均要放出电磁波形式的辐射。
27. They use only one-quarter of the electricity to give off the same light.
    莹光灯泡只需用四分之一的电力，就能发出同样的亮度。
28. At home, many household items give off enough residual heat to pull the plug a few minutes early.
    在家里，许多家用电器在拔下插头的前几分钟里都会发出足够多余热。
29. If the light I give off when I pass by your sky brings you a sweet smile, a fresh inspiration, a faithful prayer, or a wonderful dream, it's my best pleasure.
    我发出的光芒，只是为了在你的天空为你送一个甜蜜的微笑，一个新的灵感，一篇忠实的祷文或者一个令人惊叹的梦，它是我的最好的快乐。
30. I say: If you were gold, you should give off rays of lig.
    我想说的是：是金子，就要有金子的光芒。

  radiate emit give off send out【导航词义：散发】

  radiate v. 散发，发射

〔辨析〕指向四周发射光或热，作不及物动词时常后接介词 from。

  emit v. 〈正式〉发出，散发

〔辨析〕指发出光、热、气、声音等。

  give off phr. v. 发出

〔辨析〕指发出光、热、声音、气味等。

  send out phr. v. 发出

〔辨析〕指发出光、声音、信号等。

verb

1. have as a by-product
   1. The big cities gave off so many wonderful American qualities

2. give off, send forth, or discharge
   1. The ozone layer blocks some harmful rays which the sun emits

   Synonym:    emitgive out