The first act takes place in 1898 at the time of the Qing dynasty.

第一幕发生在1898年的清朝。

youdao

In the first act, the villain insinuates himself into the household of the man he intends to kill.

在第一幕中，恶棍混进了他企图谋杀的男子的家庭。

《牛津词典》

The first act of the drama was over.

此剧第一幕到此结束。

youdao

For the first time she seemed to be taking a rest from the tiring act of thought.

VOA: special.2009.09.05

In the first account in Genesis 1, The creation of human is clearly the climactic divine act: after this God can rest.

在《创世纪》第一章中的第一种描述，人类的创造是上帝最具神性的行为：,在此之后神便可安息。

耶鲁公开课 - 旧约导论课程节选

You could think of this as the poem's first -- by no means its last - its first act of poetic disobedience.

我们可以把这当做这首诗第一次--绝不可能是最后一次,-这首诗第一次违背诗歌规律。

耶鲁公开课 - 弥尔顿课程节选

He was the first act to hit the stage, performing for nearly three hours.

WSJ: Havens, 1st Woodstock singer, dies of heart attack

The first act of the drama was already down on paper, and it had a protagonist.

FORBES

The first act of this tragic comedy opened as the 2008 crisis and market meltdown unfolded.

FORBES: Investors Learn The Hard Way That Liquidity Is King During Market Meltdowns