translation.en: The first is to create a kind of balloon structure, fill it with bacteria, then allow the sand to wash over the balloon, pop the balloon, as it were, disseminating the bacteria into the sand and solidifying it.
translation.zh: 第一是创造一种气球一样的结构， 把它装满细菌，然后用沙子磨洗它， 冲击它，可以说就是把细菌散播进沙里去固化它。