珊瑚礁

cay

1. 珊瑚礁之外的大海是一片深蓝色。
   Beyond the coral reef the open sea is dark blue.
2. 那艘船触珊瑚礁失事。
   The ship was wrecked on a coral reef.
3. 据报道，珊瑚礁正遭受破坏。
   It is reported that the coral reefs are being destroyed.