Also the coral formations around these islands prevent outsiders Easy access to them.

此外，这些岛屿周围的珊瑚构造也阻止了外人轻易进入它们。

Sea cucumber excretions can also aid in coral formation and may play a role in buffering marine environments from ocean acidification.

海参的排泄物也有助于珊瑚的形成，并可能在缓冲海洋环境免受海洋酸化影响方面发挥作用。