Then there is a second victim, a third and a fourth.

然后有了第二个受害者，接着是第三和第四个。

youdao

A second swan flew down. Then a third and a fourth.

又一只天鹅飞了下来，接着是第三只，第四只。

youdao

There were three interrogators and a fourth person writing down what I said.

屋子里有三个审讯官和一个记录官，记录官负责记录我说的话。

youdao

And a fourth could be far to the south, connecting New Orleans and San Diego.

VOA: special.2009.04.23

The reason that 3' is important is that when you polymerize two nucleotides together and a third nucleotide, and a fourth nucleotide, when you polymerize nucleotides together they get polymerized, the phosphate of one gets linked to the 3' carbon of another.

'碳部位重要是因为,当你把两个核苷酸聚合在一起,然后再聚合第三个,第四个的时候,核苷酸在聚合时,磷酸基与另外一个戊糖的3'碳部位连接

耶鲁公开课 - 生物医学工程探索课程节选

So if we're talking about the fourth excited state, and we talk instead about principle quantum numbers, what principle quantum number corresponds to the fourth excited state of a hydrogen atom.

如果我们说的是,第四激发态，我们用,主量子数来描述，哪个主量子数对应了,氢原子的第四激发态？

麻省理工公开课 - 化学原理课程节选

Cassidy, Woon, Fong and a fourth friend started Ultimate Arena, a Web site hosting online tournaments.

FORBES: ONLINE GAMING

And a fourth person, a public official, also admitted conspiring to commit misconduct in public office.

BBC: John Terry

They have purchased three old carriers from the Soviet Union and a fourth from Australia.

FORBES: Where are the Carriers?