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

Suppose in our WSBI test environment we have three test machines, and a fourth to be used as an auditing machine.

假设在我们的WSBI测试环境中，有三台测试机器，使用第四台作为审计机器。

youdao

Scuderia Ferrari Marlboro comes away from the Australian Grand Prix with 27 points to its name, thanks to a third place for Felipe Massa and a fourth for Fernando Alonso.

法拉利车队带着27分结束了澳大利亚大奖赛，这要感谢菲利普马萨取得的第三名和费尔南多阿隆索取得的第四名的成绩。

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?