最近我们学校组织全体学生进行了一次地震演习。具体时间是上周五十点。主要

最近我们学校组织全体学生进行了一次地震演习。具体时间是上周五十点。
主要内容有，首先，学校提前对学生进行培训。然后，学生听到警报声要钻到桌子底下。最后，警报声结束，跑步到操场集合。

結果 (英文) 1:

Recently our school all students went on an earthquake drill. Time is 50 points last week.Main content is, first of all, schools to train students in advance. Then, the students heard the siren to drill under the table. Finally, the alarm ends, run to the playground.

結果 (英文) 2:

Recently, we have organized all school students in an earthquake drill. Last week, a specific time is 50.3.
The main contents are, first of all, the school in advance of the student training. Students then hear the alarm sound to drill under the table. Finally, the end of the alarm sound, run to the playground set.

結果 (英文) 3:

Recently our school organized all the students to have an earthquake drill. Specific time is fifty points last week.The main contents are: first, the school ahead of student training. Then the students heard the alarm and went under the table. Finally, the alarm ended, running to the playground collection.