她什么时候长出的第一颗牙？

When did she cut her first tooth?

《牛津词典》

它是中国第一颗人造太空卫星。

It was China's first man-made space satellite.

youdao

第一颗豌豆想在天空中飞翔，第二颗豌豆的愿望是在海里游泳。

The first pea wanted to fly in the sky, and the second one's wish was to swim in the sea.

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The other would be characteristic of agriculturalists: it would be an offering of the very first barley that would be harvested in the spring.

另一种是具有务农者特色的,他们献上的是春天里收获的第一颗大麦粒。

耶鲁公开课 - 旧约导论课程节选

So as a first pass, the Evening Star is the first star that's visible and the Morning Star is the last star that's visible at the right times of the year.

在最初,昏星是能看到的,第一颗星,而晨星,是最后一颗,当然是在每年的特定时段

耶鲁公开课 - 死亡课程节选