这是他第四个生日派对。

This is his fourth birthday party.

他是家里的第四个孩子。

He is the fourth child in the family.

她在比赛中获得了第四个名次。

She got the fourth place in the race.

我们在第四个路口左转。

We turn left at the fourth intersection.

这是我第四个苹果。

This is my fourth apple.

时间在物理学中通常被认为是第四个维度。

Time is often considered the fourth dimension in physics.

取出前三个后，我发现第四个被剥光了。

Having taken out the first three, I found the fourth stripped.

谷物雨通常在一年中的第四个月，即4月开始。

Grain Rain often starts in April, the fourth month of the year.

它去年开放了第四个基地，并正在推进第五个基地的建设计划。

It opened its fourth station last year and is pressing ahead with plans to build a fifth.

第四个原因是关于那些不是因为潜力而被提升的管理者。

The fourth cause concerned managers who've been promoted for reasons other than potential.