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喊话器用英语怎么说？

喊话器

electric megaphone

相关词汇
electric megaphone

electric

adj. 电的，带电的，发电的，导电的，令人激动的，电动的；n. 电动车辆，带电体；
例句
A household radiator absorbs energy in the form of electric current and releases it in the form of heat.
家用取暖器吸收电流能量，再以热量的形式释放出来。

megaphone

n. 扩音器；
例句
A megaphone boomed out, "This is the police."
扩音器响了起来：“我们是警察。”
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
The boy was committed to the care of his aunt.
这个孩子被交给他的姑妈照顾。
This is a frivolous way of attacking the problem.
这是一种轻率敷衍的处理问题的方式。
He is just what he claims he is, a natural democrat.
正如他自己所称, 他是个天生的民主主义者。
a highly cultivated woman
一位举止非常文雅的女士
The area was perfectly round.
那区域完全是圆形的。
Brenda has long ears;someday,she’s going to hear something that will upset her.
布伦达爱打听别人的事情,总有一天,她会听到使她心烦意乱的事情。
The bodies of the hostages were found riddled with bullets.
在人质的尸体上发现了很多弹孔。
I vaccum the carpet twice every week.
我每周用吸尘器打扫地毯两次。
If one sheep leap over the dyke,all the rest will follow.
一只羊跳过沟,其余的羊也跟着跳。
A rapist butchered his victim with a razor.
强奸犯用剃须刀将受害者杀害了。