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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；
例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

is

vt.& vi. 是（be的三单形式；n. 存在；
例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

experimenting

vi. 做实验，进行试验（experiment的现在分词形式）；
例句
In 1857 Mendel started experimenting with peas in his monastery garden...
1857年，孟德尔开始在修道院的菜园里用豌豆做实验。
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
transistor megaphone
晶体管扩音器
We all can visualise a friend’s face when he is away.
朋友离去后我们都能想起他的面容。
the separation of one thing from another
把一件东西和另一件分开
Send a recent facial photograph of yourself with your application.
随同申请寄一张正面近照。
an elevated railroad
高架铁路
Someone is always setting stories about that the Prince is to be married.
有人总是在散布谣言说什么王子要结婚。
You must eliminate an unknown quantity.
你必须消去一个未知数。
We persuaded Jake to sing tenor.
我们说服杰克唱男高音。
The rabbit is a relatively recent introduction in Australia.
兔子是相对较新引入澳大利亚的物种。
I study because I want to learn.
我学习是因为我想学到知识。