请打开你们的书，翻到第56页。

Please open your books, and turn to page 56.

youdao

早上好，同学们。请打开你们的书。

Good morning, class. Open your books, please.

youdao

威廉姆斯先生：是的，请打开你们的书。

Mr. Williams: Yes, please open your books.

youdao

如果你接到了警报，请打开你们当地的EAS台。EAS拥有广播站，电视台，国家海洋和大气局（NOAA）气象广播台和有线电视系统。

If you are alerted, tune to your local EAS station which includes radio stations, television stations, NOAA weather radio, and the cable TV system.

youdao

如果你接到了警报，请打开你们当地的EAS台。EAS拥有广播站，电视台，国家海洋和大气局（NOAA）气象广播台和有线电视系统。

If you are alerted, tune to your local EAS station which includes radio stations, television stations, NOAA weather radio, and the cable TV system.

youdao