No one can give of his best when he is working under strain.

Yes, you could indeed say that they give of their lives to help you move forward.

是的, 你的确可以这么说:他们放弃了他们的生命来帮助你前进.

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.

They give off discrete amounts of radiant energy.

它们放出不连续的辐射能量.

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.

Rotten eggs give off a bad smell.

臭蛋散发出难闻的气味.

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 apples give off a very sweet smell.

这些苹果散发出非常香甜的味儿.

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.

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.

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.

These gas lasers give off a continuous beam.

这种气体激光器产生连续不断光束.

Many household products give off noxious fumes.

很多家用产品散发有害气体。

The flowers give off a heady scent at night.

这些花晚上散发出醉人的芳香.

The back of our house give on to fields.

我们房子的后门通向田野.

The surveyor will use a lap-top computer to give on the spot advice.

检测员会用一台手提电脑当场给出意见。

Does arm ache did the issue give on bone?

胳膊疼是不是骨头上出了问题?

Most of us will a hard time thinking of what gift to give on special events.

为特殊的日子挑选礼物对许多人来讲是件很痛苦的事.

The bedroom windows give on to the street.

卧室的窗户面向街道。

Employers agreed to pay the full wage hike they promised to give on April 1 st.

雇主同意给员工全额涨薪,承诺4月1日支付.

He's 60 years old, give or take a year.

他六十岁, 出入至多一岁.