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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。
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 problem of social exclusion
社会排斥问题
The ceremony is exclusively masculine.
典礼上清一色的全是男人。
Nowadays I seem tired with the least exertion.
现在我好像稍一用力就感到疲劳。
expendable materials
可以消耗的材料
Napoleon was sent into exile on an island.
拿破仑被流放到一个岛上。
a really exhausting day
令人精疲力竭的一天
Planting his case on the table,he looked at us expectantly.
他把箱子在桌子上放稳,以期待的目光望着我们。
rural exodus
农村迁离
The professor's lecture excited our interest.
那个教授讲的课引起了我们的兴趣。
None of the others have lived my experiences.
没有任何人体验过我的经历。
the excrement of sea birds
海鸟的粪便
The merchant wants to expand his business.
那个商人想扩大他的经营。
She was gesturing so excitedly that I knew something was wrong.
她如此激动地直打手势,我知道出问题了。
They exchanged experience at the meeting.
他们在会上交流经验。