give off

The flowers give off a heady scent at night.

这些花晚上散发出醉人的芳香.

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.

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.

Rotten eggs give off a bad smell.

臭蛋散发出难闻的气味.

The moon, for example, does not give off any light of its own.

举月亮为例, 它自身并不发光.

Jaffe found that when rubbed plants give off increased amounts of ethylene.

贾菲发现,当搓揉植株时,植物放出的乙烯数量就增加.

The apples give off a very sweet smell.

这些苹果散发出非常香甜的味儿.

They give off discrete amounts of radiant energy.

它们放出不连续的辐射能量.

Osmanthus blossoms give off [ exhale ] a rich perfume.

桂花 发出浓郁的芳香.

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.

Fireflies give off flashes of light when they fly at night.

萤火虫夜间飞行时发出闪光.

Many household products give off noxious fumes.

很多家用产品散发有害气体。

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.

These gas lasers give off a continuous beam.

这种气体激光器产生连续不断光束.

Many material, if given the proper energy, such as by heating , give off light.

许多材料在得到适当的能量(比如在受到加热)时, 都会发射出光.