If you are in a crowd, a first and most important thing is to make yourself familiar with your surroundings and mentally notice alternate exits. No matter where you are, make sure you always know how to get out.

如果你身处拥挤的人群之中，第一要紧的，也是最重要的事就是迅速熟悉起周边环境，在心里规划一个备用出口。无论你在哪，都要确保知道怎么出去。

Make yourself aware of the type of ground you are standing¹ on, and know that in a crowd of moving people wet or uneven² ground can be slippery or hazardous³, causing you to fall.

让自己意识到你所站的地形，并且要知道拥挤在一群移动的人群中，湿的或是不平坦的地面容易滑倒，或是引起你摔倒，十分危险。

If you are in a crowd, a first and most important thing is to make yourself familiar with your surroundings and mentally notice alternate exits. No matter where you are, make sure you always know how to get out.

如果你身处拥挤的人群之中，第一要紧的，也是最重要的事就是迅速熟悉起周边环境，在心里规划一个备用出口。无论你在哪，都要确保知道怎么出去。

Make yourself aware of the type of ground you are standing on, and know that in a crowd of moving people wet or uneven ground can be slippery or hazardous, causing you to fall.

让自己意识到你所站的地形，并且要知道拥挤在一群移动的人群中，湿的或是不平坦的地面容易滑倒，或是引起你摔倒，十分危险。