It was the first time a country had taken action on that, so these are very positive public health changes.

这是第一次国家政府对此采取措施,这都是些对大众健康很有益的改变

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So in that sense, they should be the first to take action, no question.

所以从这一点来说，毫无疑问他们应该首先采取行动。

全球变暖和发达国家 - SpeakingMax英语口语达人

Well, I repeated my action because the first semester was rewarding."

我之所以还会回来上课,是因为第一学期对我来说是种奖励“

耶鲁公开课 - 心理学导论课程节选

The lady's refusal to drink of Comus' cup was just the first of Milton's attempts to bring the action of ingestion to the very center of a literary work.

拒绝司酒宴之神的杯子的女士,是弥尔顿第一次尝试把摄取食物的行动,注入到文学作品的中心去。

耶鲁公开课 - 弥尔顿课程节选