youdao

Remember to keep right and don't push when you go upstairs and downstairs, don't chase or fight during the break.

同时还要谨记：上下楼不要拥挤，要注意礼让并靠右慢行，在课间不追逐打闹。

youdao

Remember to keep right and don't push when you go upstairs and downstairs, don't chase or fight during the break.

同时还要谨记：上下楼不要拥挤，要注意礼让并靠右慢行，在课间不追逐打闹。

youdao