All the students had their teeth X-rayed at the end of the first and second years.

所有的学生都在一年级和二年级结束时做了牙齿 X 光检查。

youdao

Connect your main branches to the central picture and connect your second-and-third-level branches to the first and second levels, etc.

将你的主要分支连接到中间图片，并将你的第二级和第三级分支连接到第一级和第二级，以此类推。

youdao

The development of an understanding of the self becomes evident between the first and second years of life and shows rapid elaboration in subsequent years.

对自我理解的发展在生命的头一两年间变得明显，在随后的几年里快速地变得详尽。

youdao

Well,first of all, the twenty-second and twenty-fourth presidents of the United States were the same person.

VOA: special.2009.07.24

So in each set, the first and second plague are forewarned that's what the FW is on the side--whereas the third plague is not.

在每一组中，第一个和第二个瘟疫都是被预先警告,而第三个却没有。

耶鲁公开课 - 旧约导论课程节选

As you'll see in most of my analysis of films, in the first and second book.

正如你们将看到我在第一本第二本书中，对电影的分析。

麻省理工公开课 - 电影哲学课程节选

First responders will also be recognized during the break between the first and second quarters.

WSJ: Celtics hoping home crowd can help turn series

Ringland singled in the first and second innings and tripled in the fourth inning.

FORBES: GameChanger and Narrative Science: Fulfilling the Heretofore Unrealized Demand for Stilted Stories About Children's Games

You can watch the first and second part of the debate here and here.

BBC: Olympics debate