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他正在做实验。用英语怎么说？

他正在做实验。

He is experimenting.

相关词汇
he is experimenting

he

pron. 他，它，一个人；n. 雄性动物；

is

vt.& vi. 是（be的三单形式；n. 存在；

experimenting

vi. 做实验，进行试验（experiment的现在分词形式）；
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。
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。
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。
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
Don’t revise a few topics to the exclusion of all others.
不要修改少数论题以致排除所有其他的。
He was exhausted by overwork.
他因工作过度而疲惫。
Heat causes the expansion of gases.
热使气体膨胀。
Leave the motorway at the next exit.
在下一个出口处驶离高速公路。
The Chinese Christians,therefore, practically excommunicate themselves from their own clan.
所以，中国的基督徒简直是被逐出了自己的家族了。
A 20-mile exclusion zone was set up around the power station to guard against further explosions.
发电厂周围设立了20 英里的禁区以減低再度爆炸造成的影响。
Jack and Mary expect their second very soon.
杰克和玛丽期待着第二个孩子的降生。
Industrial exhaust must be well treated.
工业废气必须妥善处理。
financially exhausted countries
财政匮乏的国家
an exiguous budget
极少的预算
exonerate sb. from blame
免某人的罪责
There were many French exiles in England after the Revolution.
法国大革命后, 有许多法国人流亡到英国。
The prices at this hotel are excessive.
这家旅馆的价钱贵得过分。
We were sweating profusely from the exertion of moving the furniture.
我们搬动家具大费气力，累得大汗淋漓。