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光指示器经常与幻灯片放映机一起使用.用英语怎么说？

光指示器经常与幻灯片放映机一起使用.

A light pointer is often useful with a slide projector.

相关词汇
light pointer is often useful with slide projector

light

n. 光，发光体，电灯，点火器；adj. 轻的，明亮的，浅色的，少量的；v. 点燃，照亮，用光指引；adv. 轻地，轻装地；

pointer

--

is

vt.& vi. 是（be的三单形式；n. 存在；

often

adv. 常常，经常，时常，再三；

useful

adj. 有用的，有益的，有帮助的，令人满意的；

with

prep. 和，跟，随着，关于，和…一致；

slide

vi. 滑落，下跌，打滑，[棒球]滑垒；vt. 衰落（成），逐渐降低，使悄悄转动，（使）快捷而悄声地移动；n. 幻灯片，降低，滑梯；

projector

n. 放映机，幻灯机，投影仪，设计者，放映技师；
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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。
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We don't like strangers who poke their noses into our affairs.
我们不喜欢陌生人干预我们的事务。
The book is aimed principally at beginners.
这本书主要是为初学者编写的。
It'sa drink made by steeping pineapple rind in water.
这是用菠萝皮泡在水里做的饮料。
When toned down again , the unimpeachable patriot appeared in the witness - box.
这阵喧哗过去, 那无懈可击的爱国志士已经登上了证人席.
The quarterly magazine is a periodical published every three months.
季刊是每3个月出版一次的期刊.
She tapped on the glass partition and the car stopped.
她轻轻敲击玻璃隔板,汽车便停了下来.
Crowns and thrones may perish.
王权不会永存.
an oxide of tin
氧化锡
Your remark is not pertinent to the subject.
你的话不切题.
He was trying, he said, " to overthrow the heathen temples throughout the world. "
他说他是想要 “ 在全世界废除异教徒的神庙 ”.
Photoelectric spectrophotometers give better result.
用光电分光光度计能得到较佳结果.
The bottom line is that it's not profitable.
最重要的一点是它无利可图。
The ferocious panther is chasing a deer.
那只凶猛的豹子正追赶一只鹿。
Companies find themselves in a pickle when their markets change.
公司在市场发生变化时会发现自己身陷困境。