give e off发出;放出;发光
give them off放出他们
give sth off发出
emit-give e off发射
Give off unique fragrances散发出独特的香味
give off steam放出蒸汽
give off gas放出煤气
give off emit散发出
give off light放光
PHRASAL VERB（动词词组） If something gives off or gives out a gas, heat, or a smell, it produces it and sends it out into the air. 散发出 (气体、热量或气味)
...natural gas, which gives off less carbon dioxide than coal.
…天然气的二氧化碳排放量少于煤。