语文书 / 例句 /

They know nothing about exothermic chemical reactions.是什么意思？

They know nothing about exothermic chemical reactions.

他们对放热的化学反应一无所知.

相关词汇
they know nothing about exothermic chemical reactions

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

know

v. 知道，了解，认识，确信；n. 知情；

nothing

pron. 没有东西，没有事情，无关紧要的东西，毫无趣味的事；n. 无关紧要的人[事]，零，无；adv. 毫不，决不；

about

prep. 关于，大约，在…周围；adv. 大约，在附近，在四周，几乎；adj. 在附近的，四处走动的，在起作用的，在流行中的；

exothermic

adj. 发热的，放出热量的；

chemical

adj. 化学的，用化学方法制造的，化学作用的；n. 化学药品，化学制品；

reactions

n. 反应( reaction的名词复数 )，反动，反对，反作用力；
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
Convenience is, however, in all affairs of life, an execrable test of value.
然而在生活事务的各方面, 利益是可恶的价值准则.
However , the noise spectrum of the ash exhauster always centers at low frequency range.
排粉机噪声呈明显的低频特性.
She became even more exigent over his pronunciation.
她对他的发音更为苛求了。
Executor should find caution for his due administration of the estate in his charge.
指定的遗嘱执行人应为处于自己掌管下的财产提供但保.
The sets of Line Drawing laying in front of us now is another exemplification.
现已摆在我们面前的这本素描集就是这个论断的又一例证.
Particularly the author explains Point - to - point protocol ( PPP ) realization exhaustively.
特别对 点对点 协议 ( PPP ) 协议的实现做了详尽阐述.
Her mood could swing rapidly from gloom to exhilaration.
她的情绪可能在转瞬之间从阴郁转向兴奋.
Prices are exorbitantly high in the capital.
首都的物价高得不可思议.
He can let the court's decision stand and permit the execution.
他有权维持法庭判决，批准死刑生效。
Provide customs applying service of imported and exported goods for exhibitor.
为展商提供进出口货物的报关服务.
The prototype construction meaning throws light on the ambiguity of weak extro - orientational verbs, exocentric verbs.
由于原型句式语义的影响,使弱外向动词和离心动词构成的双宾句形成歧义.
Age diminishes the heart's ability to pump harder and faster under exertion.
随着年龄的增加，人在消耗体力时心脏的输血能力和输血速度会有所减弱。
That is the very starting point of existentialism.
这正是存在主义的出发点.
She was embarrassed by his exhibitionism at the party.
他在聚会上竭力表现自己使她感到很难堪.